#643C24#643C24

#643C24 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.067 H 50.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#643C24
RGB	rgb(100, 60, 36)
HSL	hsl(23, 47%, 27%)
HSV	hsv(23, 64%, 39%)
CMYK	cmyk(0%, 40%, 64%, 60.8%)
CIE-LAB	lab(29.59, 14.97, 22.05)
CIE-LCH	lch(29.59, 26.65, 55.81°)
OKLab	oklab(39.86% 0.0425 0.0522)
OKLCH	oklch(39.86% 0.067 50.8)
XYZ	xyz(7.1903, 6.0691, 2.4615)
Luminance	0.0607 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C24 #244C64

analogous

#64242C #643C24 #645C24

triadic

#643C24 #24643C #3C2464

tetradic

#643C24 #2C6424 #244C64 #5C2464

square

#643C24 #2C6424 #244C64 #5C2464

split-complementary

#643C24 #24645C #242C64

monochromatic

#170D08 #372114 #643C24 #915734 #BC7246

Accessibility & contrast

On white

9.49

#643C24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#643C24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C24

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C24	#FFFFFF	#000000	##FFFFFF
##643C24	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474022

Deuteranopia (green-blind)

#514924

Tritanopia (blue-blind)

#6D3436

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c24;
/* rgb */ color: rgb(100, 60, 36);
/* oklch */ color: oklch(39.9% 0.067 50.8);

Tailwind

colors: {
  custom: {
    50: '#93725f',
    500: '#643c24',
    950: '#000000',
  },
}

SCSS

$custom: #643c24;
$custom-light: #93725f;
$custom-dark: #000000;

JSON

{
  "hex": "#643c24",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 36
  },
  "hsl": {
    "h": 22.5,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.39856,
    "c": 0.0673,
    "h": 50.8
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary

#643C24

secondary

#4C7B97

accent

#A5D751

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643C24

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →