✓ Copied to clipboard
#377D81 (Dark Cyan) color swatch preview — Color From Pic.
#377D81 — Dark Cyan color swatch

Dark Cyan

#377D81

📝 Color Information for #377D81

The hexadecimal color code #377D81 represents a dark shade in the cyan family. In the RGB color model, this color is composed of 55 red, 125 green, and 129 blue, which translates to approximately 22% red, 49% green, and 51% blue. This makes it a slightly desaturated color with cool undertones that can evoke different emotional responses depending on its application. When analyzed in the HSL (Hue, Saturation, Lightness) color space, #377D81 has a hue of 183 degrees, a saturation level of 40%, and a lightness value of 36%. The hue angle of 183° places this color firmly in the cyan spectrum. In the HSV/HSB color model, this translates to a hue of 183°, saturation of 57%, and brightness/value of 51%. For print applications using the CMYK color model, #377D81 would be reproduced using 57% cyan, 3% magenta, 0% yellow, and 49% black. The closest web-safe color is #336699, 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 moderate to low saturation gives this color a sophisticated, muted quality that works well in professional and minimalist designs. When pairing #377D81 with other colors, consider its complementary color at hue 3° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 3636609, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #377D81

Tailwind CSS
cyan-700
HEX
#377D81
RGB
rgb(55, 125, 129)
RGB %
22%, 49%, 51%
HSL
hsl(183, 40%, 36%)
HSV
hsv(183, 57%, 51%)
CMYK
57%, 3%, 0%, 49%
Decimal
3636609
Web Safe
#336699

🎨 Color Schemes for #377D81

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #377D81

🌗 Shades and Tints of #377D81

Shades (adding black)
Tints (adding white)

🎚️ Tones of #377D81

Tones (adding gray / desaturating)

🌈 Hue Variations of #377D81

Hue Variations (shifting the color spectrum)

👁️ Preview of #377D81 in Use

Text on #377D81
This demonstrates text readability on the color background. (Click to edit)
#377D81 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #377D81

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 #377D81

:root { --color-hex: #377D81; --color-rgb: 55, 125, 129; --color-hsl: 183, 40%, 36%; } .bg-color { background-color: #377D81; } .text-color { color: #377D81; } .border-color { border-color: #377D81; }

🛠️ Use #377D81 in Your Project

🎨
Build a Palette with #377D81
Generate harmonious color schemes
⚖️
Check Contrast for #377D81
WCAG accessibility testing
🌈
Create a Gradient with #377D81
Beautiful CSS gradients

🔗 Related Colors to #377D81

#37815F
Hue -30°
#378172
Hue -15°
#376A81
Hue +15°
#375881
Hue +30°
#2F6C6F
85% L
#265759
70% L
#1C3E40
50% L
#112627
30% L
#4BAAAF
49% L
#77C1C5
62% L
#A2D5D7
74% L
#D1EAEB
87% L

About Dark Cyan (#377D81)

Dark Cyan is a medium, moderately saturated, cool cyan color with a hue angle of 183°, saturation of 40%, and lightness of 36%. Its RGB value is (55, 125, 129) and its CMYK breakdown is C:57% M:3% Y:0% K:49%.

This is a Summer (Cool) color palette archetype. Calm, Clarity, Communication, Tech. Cyan/Teal promotes clear thinking and emotional balance.

Frequently Asked Questions About #377D81

What is the HEX code for Dark Cyan? +

The HEX code for Dark Cyan is #377D81. In CSS you can use it directly as color: #377D81; or as a background: background-color: #377D81;. 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 #377D81? +

The RGB value of #377D81 is rgb(55, 125, 129). This means the color contains 55 out of 255 parts red, 125 out of 255 parts green, and 129 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(55, 125, 129);

What is the HSL value of #377D81? +

The HSL value of #377D81 is hsl(183, 40%, 36%). The hue is 183°, placing it in the cyan family on the color wheel. The saturation is 40%, making it moderately saturated. The lightness is 36%, 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 #377D81 a warm or cool color? +

#377D81 is classified as a cool color based on its hue angle of 183°. 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 #377D81? +

The approximate CMYK value of #377D81 is C:57% M:3% Y:0% K:49%. 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 #377D81 with Other Tools

🔢
Color Converter
Get all formats for #377D81 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #377D81 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #377D81.
👓
Blindness Simulator
See how #377D81 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #377D81.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #377D81.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #377D81.
🔬
Technical Formats
See #377D81 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #377D81 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.