#365559 Color
#365559 is rgb(54, 85, 89) in RGB, hsl(187, 24%, 28%) in HSL, and about cmyk(39%, 4%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Dark Slate Gray (#2F4F4F), very hard to tell apart at ΔE 3.73. White text is the more readable choice on this background.
#365559rgb(54, 85, 89)hsl(187, 24%, 28%)hsv(187, 39%, 35%)cmyk(39%, 4%, 0%, 65%)oklch(42.7% 0.037 206.1)lab(33.85% -11.02 -6.18)lch(33.85% 12.64 209.28)What #365559 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #365559, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every teal in the library.
#365559 Channel Values
How #365559 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 54 · G 85 · B 89 | 8-bit channels as sent to the display |
| HSL | H 187° · S 24% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 187° · S 39% · V 35% | Matches the picker in most design tools |
| CMYK | C 39% · M 4% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.08:1 vs white · 2.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #365559 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #365559 in the contrast checker.
Colors That Go With #365559
Pairings derived from color-wheel relationships. The complementary color sits opposite #365559; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #365559
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #365559.
How #365559 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#365559#515159#475259#4C4C5A#445059#355656#355557#505050Using #365559 in Code
Copy-ready declarations for the places this color usually ends up.
--color-365559: #365559;background-color: #365559;colors: { 'color-365559': '#365559' }Color(red: 0.212, green: 0.333, blue: 0.349)<color name="color_365559">#365559</color>fill="#365559"More Teal Colors
#365559 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#365559 Frequently Asked Questions
What color is #365559?
#365559 is a dark teal — rgb(54, 85, 89) in RGB and hsl(187, 24%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Dark Slate Gray (#2F4F4F), which is very hard to tell apart at a CIE76 distance of 3.73.
What is the RGB value of #365559?
#365559 is rgb(54, 85, 89) — red 54, green 85, and blue 89 on the 0-255 scale.
What is the CMYK value of #365559?
#365559 converts to approximately cmyk(39%, 4%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #365559 be black or white?
White text is the more readable choice. #365559 scores 8.08:1 against white and 2.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #365559 as a CSS color keyword?
No. #365559 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslategray (#2F4F4F) at a CIE76 distance of 3.73, which is very hard to tell apart.
Open #365559 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.