#42250A Color
#42250A is rgb(66, 37, 10) in RGB, hsl(29, 74%, 15%) in HSL, and about cmyk(0%, 44%, 85%, 74%) in CMYK. It has no registered color name of its own — the closest is Brown (CMY) (#4B3621), clearly related but distinguishable side by side at ΔE 9.66. White text is the more readable choice on this background.
#42250Argb(66, 37, 10)hsl(29, 74%, 15%)hsv(29, 85%, 26%)cmyk(0%, 44%, 85%, 74%)oklch(29.7% 0.059 59.9)lab(18.17% 12.22 22.42)lch(18.17% 25.54 61.40)What #42250A 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 #42250A, 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 brown in the library.
#42250A Channel Values
How #42250A 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 37 · B 10 | 8-bit channels as sent to the display |
| HSL | H 29° · S 74% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 29° · S 85% · V 26% | Matches the picker in most design tools |
| CMYK | C 0% · M 44% · Y 85% · K 74% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.99:1 vs white · 1.5:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42250A 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 #42250A in the contrast checker.
Colors That Go With #42250A
Pairings derived from color-wheel relationships. The complementary color sits opposite #42250A; 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 #42250A
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 #42250A.
How #42250A 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.
#42250A#2B2B09#36290A#313107#382C08#432323#43241B#2C2C2CUsing #42250A in Code
Copy-ready declarations for the places this color usually ends up.
--color-42250a: #42250A;background-color: #42250A;colors: { 'color-42250a': '#42250A' }Color(red: 0.259, green: 0.145, blue: 0.039)<color name="color_42250a">#42250A</color>fill="#42250A"More Brown Colors
#42250A sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#42250A Frequently Asked Questions
What color is #42250A?
#42250A is a darkest brown — rgb(66, 37, 10) in RGB and hsl(29, 74%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Brown (CMY) (#4B3621), which is clearly related but distinguishable side by side at a CIE76 distance of 9.66.
What is the RGB value of #42250A?
#42250A is rgb(66, 37, 10) — red 66, green 37, and blue 10 on the 0-255 scale.
What is the CMYK value of #42250A?
#42250A converts to approximately cmyk(0%, 44%, 85%, 74%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42250A be black or white?
White text is the more readable choice. #42250A scores 13.99:1 against white and 1.5:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42250A as a CSS color keyword?
No. #42250A 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 black (#000000) at a CIE76 distance of 31.34, which is a different colour altogether.
Open #42250A in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.