#5B6558 Color
#5B6558 is rgb(91, 101, 88) in RGB, hsl(106, 7%, 37%) in HSL, and about cmyk(10%, 0%, 13%, 60%) in CMYK. It has no registered color name of its own — the closest is Ebony (#555D50), very hard to tell apart at ΔE 3.24. White text is the more readable choice on this background.
#5B6558rgb(91, 101, 88)hsl(106, 7%, 37%)hsv(106, 13%, 40%)cmyk(10%, 0%, 13%, 60%)oklch(49.4% 0.024 138.5)lab(41.61% -6.04 6.02)lch(41.61% 8.53 135.08)What #5B6558 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 #5B6558, 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.
#5B6558 Channel Values
How #5B6558 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 91 · G 101 · B 88 | 8-bit channels as sent to the display |
| HSL | H 106° · S 7% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 106° · S 13% · V 40% | Matches the picker in most design tools |
| CMYK | C 10% · M 0% · Y 13% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.09:1 vs white · 3.45:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B6558 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 #5B6558 in the contrast checker.
Colors That Go With #5B6558
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B6558; 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 #5B6558
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 #5B6558.
How #5B6558 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.
#5B6558#636358#606458#626258#5F6358#5D6363#5C645F#626262Using #5B6558 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b6558: #5B6558;background-color: #5B6558;colors: { 'color-5b6558': '#5B6558' }Color(red: 0.357, green: 0.396, blue: 0.345)<color name="color_5b6558">#5B6558</color>fill="#5B6558"More Gray Colors
#5B6558 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#5B6558 Frequently Asked Questions
What color is #5B6558?
#5B6558 is a dark gray — rgb(91, 101, 88) in RGB and hsl(106, 7%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Ebony (#555D50), which is very hard to tell apart at a CIE76 distance of 3.24.
What is the RGB value of #5B6558?
#5B6558 is rgb(91, 101, 88) — red 91, green 101, and blue 88 on the 0-255 scale.
What is the CMYK value of #5B6558?
#5B6558 converts to approximately cmyk(10%, 0%, 13%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B6558 be black or white?
White text is the more readable choice. #5B6558 scores 6.09:1 against white and 3.45:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B6558 as a CSS color keyword?
No. #5B6558 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 8.98, which is clearly related but distinguishable side by side.
Open #5B6558 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.