#424552 Color
#424552 is rgb(66, 69, 82) in RGB, hsl(229, 11%, 29%) in HSL, and about cmyk(20%, 16%, 0%, 68%) in CMYK. It has no registered color name of its own — the closest is Graphite (#41424C), very hard to tell apart at ΔE 2.39. White text is the more readable choice on this background.
#424552rgb(66, 69, 82)hsl(229, 11%, 29%)hsv(229, 20%, 32%)cmyk(20%, 16%, 0%, 68%)oklch(39.3% 0.022 275.1)lab(29.39% 1.11 -8.26)lch(29.39% 8.34 277.66)What #424552 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 #424552, 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 blue in the library.
#424552 Channel Values
How #424552 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 66 · G 69 · B 82 | 8-bit channels as sent to the display |
| HSL | H 229° · S 11% · L 29% | Easiest model for building lighter and darker variants |
| HSV | H 229° · S 20% · V 32% | Matches the picker in most design tools |
| CMYK | C 20% · M 16% · Y 0% · K 68% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.52:1 vs white · 2.2:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #424552 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 #424552 in the contrast checker.
Colors That Go With #424552
Pairings derived from color-wheel relationships. The complementary color sits opposite #424552; 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 #424552
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 #424552.
How #424552 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.
#424552#444452#444552#444452#434452#404747#41464C#454545Using #424552 in Code
Copy-ready declarations for the places this color usually ends up.
--color-424552: #424552;background-color: #424552;colors: { 'color-424552': '#424552' }Color(red: 0.259, green: 0.271, blue: 0.322)<color name="color_424552">#424552</color>fill="#424552"More Blue Colors
#424552 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#424552 Frequently Asked Questions
What color is #424552?
#424552 is a dark blue — rgb(66, 69, 82) in RGB and hsl(229, 11%, 29%) in HSL. It carries no registered color name of its own; the closest named color is Graphite (#41424C), which is very hard to tell apart at a CIE76 distance of 2.39.
What is the RGB value of #424552?
#424552 is rgb(66, 69, 82) — red 66, green 69, and blue 82 on the 0-255 scale.
What is the CMYK value of #424552?
#424552 converts to approximately cmyk(20%, 16%, 0%, 68%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #424552 be black or white?
White text is the more readable choice. #424552 scores 9.52:1 against white and 2.2:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #424552 as a CSS color keyword?
No. #424552 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 darkslategray (#2F4F4F) at a CIE76 distance of 14.16, which is visibly different.
Open #424552 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.