#644616 Color
#644616 is rgb(100, 70, 22) in RGB, hsl(37, 64%, 24%) in HSL, and about cmyk(0%, 30%, 78%, 61%) in CMYK. It has no registered color name of its own — the closest is Pullman Brown(ups Brown) (#644117), very hard to tell apart at ΔE 3.75. White text is the more readable choice on this background.
#644616rgb(100, 70, 22)hsl(37, 64%, 24%)hsv(37, 78%, 39%)cmyk(0%, 30%, 78%, 61%)oklch(41.8% 0.075 75.3)lab(32.42% 9.62 32.78)lch(32.42% 34.16 73.64)What #644616 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 #644616, 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.
#644616 Channel Values
How #644616 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 100 · G 70 · B 22 | 8-bit channels as sent to the display |
| HSL | H 37° · S 64% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 37° · S 78% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 30% · Y 78% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.64:1 vs white · 2.43:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #644616 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 #644616 in the contrast checker.
Colors That Go With #644616
Pairings derived from color-wheel relationships. The complementary color sits opposite #644616; 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 #644616
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 #644616.
How #644616 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.
#644616#4C4C15#574A16#515112#594D14#664242#664435#4C4C4CUsing #644616 in Code
Copy-ready declarations for the places this color usually ends up.
--color-644616: #644616;background-color: #644616;colors: { 'color-644616': '#644616' }Color(red: 0.392, green: 0.275, blue: 0.086)<color name="color_644616">#644616</color>fill="#644616"More Brown Colors
#644616 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#644616 Frequently Asked Questions
What color is #644616?
#644616 is a dark brown — rgb(100, 70, 22) in RGB and hsl(37, 64%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Pullman Brown(ups Brown) (#644117), which is very hard to tell apart at a CIE76 distance of 3.75.
What is the RGB value of #644616?
#644616 is rgb(100, 70, 22) — red 100, green 70, and blue 22 on the 0-255 scale.
What is the CMYK value of #644616?
#644616 converts to approximately cmyk(0%, 30%, 78%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #644616 be black or white?
White text is the more readable choice. #644616 scores 8.64:1 against white and 2.43:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #644616 as a CSS color keyword?
No. #644616 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 saddlebrown (#8B4513) at a CIE76 distance of 21.16, which is visibly different.
Open #644616 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.