#545C64 Color
#545C64 is rgb(84, 92, 100) in RGB, hsl(210, 9%, 36%) in HSL, and about cmyk(16%, 8%, 0%, 61%) in CMYK. It has no registered color name of its own — the closest is Iron Gray (#555D61), very hard to tell apart at ΔE 2.43. White text is the more readable choice on this background.
#545C64rgb(84, 92, 100)hsl(210, 9%, 36%)hsv(210, 16%, 39%)cmyk(16%, 8%, 0%, 61%)oklch(47.1% 0.016 248.2)lab(38.58% -1.84 -5.73)lch(38.58% 6.02 252.18)What #545C64 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 #545C64, 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.
#545C64 Channel Values
How #545C64 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 100 | 8-bit channels as sent to the display |
| HSL | H 210° · S 9% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 210° · S 16% · V 39% | Matches the picker in most design tools |
| CMYK | C 16% · M 8% · Y 0% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.79:1 vs white · 3.09:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #545C64 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 #545C64 in the contrast checker.
Colors That Go With #545C64
Pairings derived from color-wheel relationships. The complementary color sits opposite #545C64; 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 #545C64
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 #545C64.
How #545C64 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.
#545C64#5B5B64#585B64#595964#575A64#535D5D#535D60#5B5B5BUsing #545C64 in Code
Copy-ready declarations for the places this color usually ends up.
--color-545c64: #545C64;background-color: #545C64;colors: { 'color-545c64': '#545C64' }Color(red: 0.329, green: 0.361, blue: 0.392)<color name="color_545c64">#545C64</color>fill="#545C64"More Gray Colors
#545C64 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#545C64 Frequently Asked Questions
What color is #545C64?
#545C64 is a dark gray — rgb(84, 92, 100) in RGB and hsl(210, 9%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Iron Gray (#555D61), which is very hard to tell apart at a CIE76 distance of 2.43.
What is the RGB value of #545C64?
#545C64 is rgb(84, 92, 100) — red 84, green 92, and blue 100 on the 0-255 scale.
What is the CMYK value of #545C64?
#545C64 converts to approximately cmyk(16%, 8%, 0%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #545C64 be black or white?
White text is the more readable choice. #545C64 scores 6.79:1 against white and 3.09:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #545C64 as a CSS color keyword?
No. #545C64 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 8.38, which is clearly related but distinguishable side by side.
Open #545C64 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.