#616B5B Color
#616B5B is rgb(97, 107, 91) in RGB, hsl(98, 8%, 39%) in HSL, and about cmyk(9%, 0%, 15%, 58%) in CMYK. It has no registered color name of its own — the closest is Ebony (#555D50), clearly related but distinguishable side by side at ΔE 5.78. White text is the more readable choice on this background.
#616B5Brgb(97, 107, 91)hsl(98, 8%, 39%)hsv(98, 15%, 42%)cmyk(9%, 0%, 15%, 58%)oklch(51.4% 0.028 133.7)lab(43.99% -6.41 7.65)lch(43.99% 9.98 129.96)What #616B5B 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 #616B5B, 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.
#616B5B Channel Values
How #616B5B 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 97 · G 107 · B 91 | 8-bit channels as sent to the display |
| HSL | H 98° · S 8% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 98° · S 15% · V 42% | Matches the picker in most design tools |
| CMYK | C 9% · M 0% · Y 15% · K 58% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.58:1 vs white · 3.76:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #616B5B 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 #616B5B in the contrast checker.
Colors That Go With #616B5B
Pairings derived from color-wheel relationships. The complementary color sits opposite #616B5B; 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 #616B5B
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 #616B5B.
How #616B5B 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.
#616B5B#69695B#666A5B#68685B#65695B#636969#626A64#686868Using #616B5B in Code
Copy-ready declarations for the places this color usually ends up.
--color-616b5b: #616B5B;background-color: #616B5B;colors: { 'color-616b5b': '#616B5B' }Color(red: 0.380, green: 0.420, blue: 0.357)<color name="color_616b5b">#616B5B</color>fill="#616B5B"More Gray Colors
#616B5B sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#616B5B Frequently Asked Questions
What color is #616B5B?
#616B5B is a dark gray — rgb(97, 107, 91) in RGB and hsl(98, 8%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Ebony (#555D50), which is clearly related but distinguishable side by side at a CIE76 distance of 5.78.
What is the RGB value of #616B5B?
#616B5B is rgb(97, 107, 91) — red 97, green 107, and blue 91 on the 0-255 scale.
What is the CMYK value of #616B5B?
#616B5B converts to approximately cmyk(9%, 0%, 15%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #616B5B be black or white?
White text is the more readable choice. #616B5B scores 5.58:1 against white and 3.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #616B5B as a CSS color keyword?
No. #616B5B 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 9.99, which is clearly related but distinguishable side by side.
Open #616B5B in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.