✓ Copied to clipboard
#255BDA (Cool Blue) color swatch preview — Color From Pic.
#255BDA — Cool Blue color swatch

Cool Blue

#255BDA

📝 Color Information for #255BDA

The hexadecimal color code #255BDA represents a medium shade in the blue family. In the RGB color model, this color is composed of 37 red, 91 green, and 218 blue, which translates to approximately 15% red, 36% green, and 85% 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, #255BDA has a hue of 222 degrees, a saturation level of 71%, and a lightness value of 50%. The hue angle of 222° places this color firmly in the blue spectrum. In the HSV/HSB color model, this translates to a hue of 222°, saturation of 83%, and brightness/value of 85%. For print applications using the CMYK color model, #255BDA would be reproduced using 83% cyan, 58% magenta, 0% yellow, and 15% black. The closest web-safe color is #3366CC, 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 #255BDA with other colors, consider its complementary color at hue 42° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 2448346, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #255BDA

Tailwind CSS
blue-700
HEX
#255BDA
RGB
rgb(37, 91, 218)
RGB %
15%, 36%, 85%
HSL
hsl(222, 71%, 50%)
HSV
hsv(222, 83%, 85%)
CMYK
83%, 58%, 0%, 15%
Decimal
2448346
Web Safe
#3366CC

🎨 Color Schemes for #255BDA

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #255BDA

🌗 Shades and Tints of #255BDA

Shades (adding black)
Tints (adding white)

🎚️ Tones of #255BDA

Tones (adding gray / desaturating)

🌈 Hue Variations of #255BDA

Hue Variations (shifting the color spectrum)

👁️ Preview of #255BDA in Use

Text on #255BDA
This demonstrates text readability on the color background. (Click to edit)
#255BDA as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #255BDA

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 #255BDA

:root { --color-hex: #255BDA; --color-rgb: 37, 91, 218; --color-hsl: 222, 71%, 50%; } .bg-color { background-color: #255BDA; } .text-color { color: #255BDA; } .border-color { border-color: #255BDA; }

🛠️ Use #255BDA in Your Project

🎨
Build a Palette with #255BDA
Generate harmonious color schemes
⚖️
Check Contrast for #255BDA
WCAG accessibility testing
🌈
Create a Gradient with #255BDA
Beautiful CSS gradients

🔗 Related Colors to #255BDA

#25B6DA
Hue -30°
#2589DA
Hue -15°
#252EDA
Hue +15°
#4925DA
Hue +30°
#204FBC
85% L
#1A4099
70% L
#122E6D
50% L
#0B1B41
30% L
#517CE1
60% L
#7C9DE9
70% L
#A8BEF0
80% L
#D3DEF8
90% L

About Cool Blue (#255BDA)

Cool Blue is a medium, vibrant, cool blue color with a hue angle of 222°, saturation of 71%, and lightness of 50%. Its RGB value is (37, 91, 218) and its CMYK breakdown is C:83% M:58% Y:0% K:15%.

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 #255BDA

What is the HEX code for Cool Blue? +

The HEX code for Cool Blue is #255BDA. In CSS you can use it directly as color: #255BDA; or as a background: background-color: #255BDA;. 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 #255BDA? +

The RGB value of #255BDA is rgb(37, 91, 218). This means the color contains 37 out of 255 parts red, 91 out of 255 parts green, and 218 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(37, 91, 218);

What is the HSL value of #255BDA? +

The HSL value of #255BDA is hsl(222, 71%, 50%). The hue is 222°, placing it in the blue family on the color wheel. The saturation is 71%, making it vibrant. The lightness is 50%, 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 #255BDA a warm or cool color? +

#255BDA is classified as a cool color based on its hue angle of 222°. 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 #255BDA? +

The approximate CMYK value of #255BDA is C:83% M:58% Y:0% K:15%. 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 #255BDA with Other Tools

🔢
Color Converter
Get all formats for #255BDA — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #255BDA passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #255BDA.
👓
Blindness Simulator
See how #255BDA appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #255BDA.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #255BDA.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #255BDA.
🔬
Technical Formats
See #255BDA in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #255BDA 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.