#566758 Color
#566758 is rgb(86, 103, 88) in RGB, hsl(127, 9%, 37%) in HSL, and about cmyk(17%, 0%, 15%, 60%) in CMYK. It has no registered color name of its own — the closest is Feldgrau (#4D5D53), very hard to tell apart at ΔE 4.86. White text is the more readable choice on this background.
#566758rgb(86, 103, 88)hsl(127, 9%, 37%)hsv(127, 17%, 40%)cmyk(17%, 0%, 15%, 60%)oklch(49.5% 0.031 148.4)lab(41.82% -9.13 6.25)lch(41.82% 11.06 145.60)What #566758 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 #566758, 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 gray in the library.
#566758 Channel Values
How #566758 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 86 · G 103 · B 88 | 8-bit channels as sent to the display |
| HSL | H 127° · S 9% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 127° · S 17% · V 40% | Matches the picker in most design tools |
| CMYK | C 17% · M 0% · Y 15% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.04:1 vs white · 3.48:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #566758 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 #566758 in the contrast checker.
Colors That Go With #566758
Pairings derived from color-wheel relationships. The complementary color sits opposite #566758; 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 #566758
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 #566758.
How #566758 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.
#566758#646458#5F6558#626259#5D6458#586565#576660#636363Using #566758 in Code
Copy-ready declarations for the places this color usually ends up.
--color-566758: #566758;background-color: #566758;colors: { 'color-566758': '#566758' }Color(red: 0.337, green: 0.404, blue: 0.345)<color name="color_566758">#566758</color>fill="#566758"More Gray Colors
#566758 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#566758 Frequently Asked Questions
What color is #566758?
#566758 is a dark gray — rgb(86, 103, 88) in RGB and hsl(127, 9%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Feldgrau (#4D5D53), which is very hard to tell apart at a CIE76 distance of 4.86.
What is the RGB value of #566758?
#566758 is rgb(86, 103, 88) — red 86, green 103, and blue 88 on the 0-255 scale.
What is the CMYK value of #566758?
#566758 converts to approximately cmyk(17%, 0%, 15%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #566758 be black or white?
White text is the more readable choice. #566758 scores 6.04:1 against white and 3.48:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #566758 as a CSS color keyword?
No. #566758 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 dimgray (#696969) at a CIE76 distance of 11.36, which is visibly different.
Open #566758 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.