✓ Copied to clipboard
#281CB0 (Dark Cool Blue) color swatch preview — Color From Pic.
#281CB0 — Dark Cool Blue color swatch

Dark Cool Blue

#281CB0

📝 Color Information for #281CB0

The hexadecimal color code #281CB0 represents a dark shade in the blue family. In the RGB color model, this color is composed of 40 red, 28 green, and 176 blue, which translates to approximately 16% red, 11% green, and 69% blue. This makes it a moderately saturated color with cool undertones that can evoke different emotional responses depending on its application. When analyzed in the HSL (Hue, Saturation, Lightness) color space, #281CB0 has a hue of 245 degrees, a saturation level of 73%, and a lightness value of 40%. The hue angle of 245° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 245°, saturation of 84%, and brightness/value of 69%. For print applications using the CMYK color model, #281CB0 would be reproduced using 77% cyan, 84% magenta, 0% yellow, and 31% black. The closest web-safe color is #333399, which may be useful for ensuring compatibility across older displays and systems. This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #281CB0 with other colors, consider its complementary color at hue 65° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2628784, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #281CB0

Tailwind CSS
indigo-800
HEX
#281CB0
RGB
rgb(40, 28, 176)
RGB %
16%, 11%, 69%
HSL
hsl(245, 73%, 40%)
HSV
hsv(245, 84%, 69%)
CMYK
77%, 84%, 0%, 31%
Decimal
2628784
Web Safe
#333399

🎨 Color Schemes for #281CB0

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #281CB0

🌗 Shades and Tints of #281CB0

Shades (adding black)
Tints (adding white)

🎚️ Tones of #281CB0

Tones (adding gray / desaturating)

🌈 Hue Variations of #281CB0

Hue Variations (shifting the color spectrum)

👁️ Preview of #281CB0 in Use

Text on #281CB0
This demonstrates text readability on the color background. (Click to edit)
#281CB0 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #281CB0

Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.

📋 CSS Code for #281CB0

:root { --color-hex: #281CB0; --color-rgb: 40, 28, 176; --color-hsl: 245, 73%, 40%; } .bg-color { background-color: #281CB0; } .text-color { color: #281CB0; } .border-color { border-color: #281CB0; }

🛠️ Use #281CB0 in Your Project

🎨
Build a Palette with #281CB0
Generate harmonious color schemes
⚖️
Check Contrast for #281CB0
WCAG accessibility testing
🌈
Create a Gradient with #281CB0
Beautiful CSS gradients

🔗 Related Colors to #281CB0

#1C5AB0
Hue -30°
#1C34B0
Hue -15°
#4D1CB0
Hue +15°
#721CB0
Hue +30°
#221796
85% L
#1C137C
70% L
#140E58
50% L
#0C0835
30% L
#3A2BDE
52% L
#6B60E6
64% L
#9D95EE
76% L
#CECAF7
88% L

About Dark Cool Blue (#281CB0)

Dark Cool Blue is a medium, vibrant, cool blue color with a hue angle of 245°, saturation of 73%, and lightness of 40%. Its RGB value is (40, 28, 176) and its CMYK breakdown is C:77% M:84% Y:0% K:31%.

This is a Summer (Cool) color palette archetype. Trust, Loyalty, Wisdom, Confidence. Blue is considered beneficial to the mind and body.

Frequently Asked Questions About #281CB0

What is the HEX code for Dark Cool Blue? +

The HEX code for Dark Cool Blue is #281CB0. In CSS you can use it directly as color: #281CB0; or as a background: background-color: #281CB0;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.

What is the RGB value of #281CB0? +

The RGB value of #281CB0 is rgb(40, 28, 176). This means the color contains 40 out of 255 parts red, 28 out of 255 parts green, and 176 out of 255 parts blue. Red is the moderate channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(40, 28, 176);

What is the HSL value of #281CB0? +

The HSL value of #281CB0 is hsl(245, 73%, 40%). The hue is 245°, placing it in the blue family on the color wheel. The saturation is 73%, making it vibrant. The lightness is 40%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.

Is #281CB0 a warm or cool color? +

#281CB0 is classified as a cool color based on its hue angle of 245°. Cool colors — blues, greens, and purples — evoke calm, trust, and professionalism. They tend to recede visually and create a feeling of space. In design, cool colors are often used for technology, healthcare, and finance brands, as well as anywhere a sense of calm or reliability is needed.

What is the CMYK value of #281CB0? +

The approximate CMYK value of #281CB0 is C:77% M:84% Y:0% K:31%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.

Analyze #281CB0 with Other Tools

🔢
Color Converter
Get all formats for #281CB0 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #281CB0 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #281CB0.
👓
Blindness Simulator
See how #281CB0 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #281CB0.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #281CB0.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #281CB0.
🔬
Technical Formats
See #281CB0 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #281CB0 as a CSS variable, Tailwind class, design token, and more.

More Color Tools

Explore our full suite of free color utilities for designers and developers.