#545C51 Color
#545C51 is rgb(84, 92, 81) in RGB, hsl(104, 6%, 34%) in HSL, and about cmyk(9%, 0%, 12%, 64%) in CMYK. It has no registered color name of its own — the closest is Ebony (#555D50), below the threshold most people can see at ΔE 1.24. White text is the more readable choice on this background.
#545C51rgb(84, 92, 81)hsl(104, 6%, 34%)hsv(104, 12%, 36%)cmyk(9%, 0%, 12%, 64%)oklch(46.4% 0.02 137.1)lab(38.10% -5.00 5.23)lch(38.10% 7.24 133.71)What #545C51 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 #545C51, 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.
#545C51 Channel Values
How #545C51 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 84 · G 92 · B 81 | 8-bit channels as sent to the display |
| HSL | H 104° · S 6% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 104° · S 12% · V 36% | Matches the picker in most design tools |
| CMYK | C 9% · M 0% · Y 12% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.94:1 vs white · 3.03:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #545C51 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 #545C51 in the contrast checker.
Colors That Go With #545C51
Pairings derived from color-wheel relationships. The complementary color sits opposite #545C51; 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 #545C51
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 #545C51.
How #545C51 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.
#545C51#5B5B51#585B51#595951#575A51#555B5B#555B57#5A5A5AUsing #545C51 in Code
Copy-ready declarations for the places this color usually ends up.
--color-545c51: #545C51;background-color: #545C51;colors: { 'color-545c51': '#545C51' }Color(red: 0.329, green: 0.361, blue: 0.318)<color name="color_545c51">#545C51</color>fill="#545C51"More Gray Colors
#545C51 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#545C51 Frequently Asked Questions
What color is #545C51?
#545C51 is a dark gray — rgb(84, 92, 81) in RGB and hsl(104, 6%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Ebony (#555D50), which is below the threshold most people can see at a CIE76 distance of 1.24.
What is the RGB value of #545C51?
#545C51 is rgb(84, 92, 81) — red 84, green 92, and blue 81 on the 0-255 scale.
What is the CMYK value of #545C51?
#545C51 converts to approximately cmyk(9%, 0%, 12%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #545C51 be black or white?
White text is the more readable choice. #545C51 scores 6.94:1 against white and 3.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #545C51 as a CSS color keyword?
No. #545C51 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 9.61, which is clearly related but distinguishable side by side.
Open #545C51 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.