#056366 Color
#056366 is rgb(5, 99, 102) in RGB, hsl(182, 91%, 21%) in HSL, and about cmyk(95%, 3%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 2.51. White text is the more readable choice on this background.
#056366rgb(5, 99, 102)hsl(182, 91%, 21%)hsv(182, 95%, 40%)cmyk(95%, 3%, 0%, 60%)oklch(45.4% 0.076 198.5)lab(37.45% -24.10 -9.08)lch(37.45% 25.75 200.64)What #056366 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 #056366, 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.
#056366 Channel Values
How #056366 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 5 · G 99 · B 102 | 8-bit channels as sent to the display |
| HSL | H 182° · S 91% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 182° · S 95% · V 40% | Matches the picker in most design tools |
| CMYK | C 95% · M 3% · Y 0% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.04:1 vs white · 2.98:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #056366 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 #056366 in the contrast checker.
Colors That Go With #056366
Pairings derived from color-wheel relationships. The complementary color sits opposite #056366; 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 #056366
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 #056366.
How #056366 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.
#056366#5B5B66#475E66#525267#405967#026363#036364#595959Using #056366 in Code
Copy-ready declarations for the places this color usually ends up.
--color-056366: #056366;background-color: #056366;colors: { 'color-056366': '#056366' }Color(red: 0.020, green: 0.388, blue: 0.400)<color name="color_056366">#056366</color>fill="#056366"More Teal Colors
#056366 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#056366 Frequently Asked Questions
What color is #056366?
#056366 is a dark teal — rgb(5, 99, 102) in RGB and hsl(182, 91%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Peacock (#005F5F), which is very hard to tell apart at a CIE76 distance of 2.51.
What is the RGB value of #056366?
#056366 is rgb(5, 99, 102) — red 5, green 99, and blue 102 on the 0-255 scale.
What is the CMYK value of #056366?
#056366 converts to approximately cmyk(95%, 3%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #056366 be black or white?
White text is the more readable choice. #056366 scores 7.04:1 against white and 2.98:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #056366 as a CSS color keyword?
No. #056366 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 teal (#008080) at a CIE76 distance of 12.27, which is visibly different.
Open #056366 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.