Skip to content

#641C02 Color

#641C02 is rgb(100, 28, 2) in RGB, hsl(16, 96%, 20%) in HSL, and about cmyk(0%, 72%, 98%, 61%) in CMYK. It has no registered color name of its own — the closest is Blood Red (#660000), clearly related but distinguishable side by side at ΔE 9.7. White text is the more readable choice on this background.

#641C02
HEX#641C02
RGBrgb(100, 28, 2)
HSLhsl(16, 96%, 20%)
HSVhsv(16, 98%, 39%)
CMYKcmyk(0%, 72%, 98%, 61%)
OKLCHoklch(34% 0.109 38)
LABlab(22.55% 32.09 32.59)
LCHlch(22.55% 45.74 45.44)

What #641C02 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 #641C02, 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.

#641C02 Channel Values

How #641C02 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 100 · G 28 · B 28-bit channels as sent to the display
HSLH 16° · S 96% · L 20%Easiest model for building lighter and darker variants
HSVH 16° · S 98% · V 39%Matches the picker in most design tools
CMYKC 0% · M 72% · Y 98% · K 61%Approximate ink mix; confirm with an ICC profile before printing
Luminance12.29:1 vs white · 1.71:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #641C02 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.

TextWhite text12.29:1AA normal AA large AAA normal
Fails AABlack text1.71:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #641C02 in the contrast checker.

Colors That Go With #641C02

Pairings derived from color-wheel relationships. The complementary color sits opposite #641C02; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #641C02

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #641C02.

How #641C02 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.

Typical#641C02
Protanopia#323200
Protanomaly#4B2A01
Deuteranopia#3F3F00
Deuteranomaly#503400
Tritanopia#651A1A
Tritanomaly#641B13
Achromatopsia#353535

Test a full palette in the color blindness simulator.

Using #641C02 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-641c02: #641C02;
CSS backgroundbackground-color: #641C02;
Tailwind configcolors: { 'color-641c02': '#641C02' }
SwiftUIColor(red: 0.392, green: 0.110, blue: 0.008)
Android XML<color name="color_641c02">#641C02</color>
SVG fillfill="#641C02"

More Brown Colors

#641C02 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#641C02 Frequently Asked Questions

What color is #641C02?

#641C02 is a dark brown — rgb(100, 28, 2) in RGB and hsl(16, 96%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Blood Red (#660000), which is clearly related but distinguishable side by side at a CIE76 distance of 9.7.

What is the RGB value of #641C02?

#641C02 is rgb(100, 28, 2) — red 100, green 28, and blue 2 on the 0-255 scale.

What is the CMYK value of #641C02?

#641C02 converts to approximately cmyk(0%, 72%, 98%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #641C02 be black or white?

White text is the more readable choice. #641C02 scores 12.29:1 against white and 1.71:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #641C02 as a CSS color keyword?

No. #641C02 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 maroon (#800000) at a CIE76 distance of 18.12, which is visibly different.

Open #641C02 in a Tool

Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.