#5B5759 Color
#5B5759 is rgb(91, 87, 89) in RGB, hsl(330, 2%, 35%) in HSL, and about cmyk(0%, 4%, 2%, 64%) in CMYK. It has no registered color name of its own — the closest is Davy's Gray (#555555), very hard to tell apart at ΔE 2.42. White text is the more readable choice on this background.
#5B5759rgb(91, 87, 89)hsl(330, 2%, 35%)hsv(330, 4%, 36%)cmyk(0%, 4%, 2%, 64%)oklch(46.1% 0.006 345.5)lab(37.42% 1.98 -0.56)lch(37.42% 2.06 344.30)What #5B5759 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 #5B5759, 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.
#5B5759 Channel Values
How #5B5759 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 87 · B 89 | 8-bit channels as sent to the display |
| HSL | H 330° · S 2% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 330° · S 4% · V 36% | Matches the picker in most design tools |
| CMYK | C 0% · M 4% · Y 2% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.11:1 vs white · 2.95:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B5759 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 #5B5759 in the contrast checker.
Colors That Go With #5B5759
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B5759; 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 #5B5759
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 #5B5759.
How #5B5759 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.
#5B5759#585859#595759#585859#595859#5B5757#5B5758#585858Using #5B5759 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b5759: #5B5759;background-color: #5B5759;colors: { 'color-5b5759': '#5B5759' }Color(red: 0.357, green: 0.341, blue: 0.349)<color name="color_5b5759">#5B5759</color>fill="#5B5759"More Gray Colors
#5B5759 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#5B5759 Frequently Asked Questions
What color is #5B5759?
#5B5759 is a dark gray — rgb(91, 87, 89) in RGB and hsl(330, 2%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Davy's Gray (#555555), which is very hard to tell apart at a CIE76 distance of 2.42.
What is the RGB value of #5B5759?
#5B5759 is rgb(91, 87, 89) — red 91, green 87, and blue 89 on the 0-255 scale.
What is the CMYK value of #5B5759?
#5B5759 converts to approximately cmyk(0%, 4%, 2%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B5759 be black or white?
White text is the more readable choice. #5B5759 scores 7.11:1 against white and 2.95:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B5759 as a CSS color keyword?
No. #5B5759 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 7.29, which is clearly related but distinguishable side by side.
Open #5B5759 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.