#643C22#643C22

#643C22 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.8% C 0.069 H 52.6°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#643C22
RGB	rgb(100, 60, 34)
HSL	hsl(24, 49%, 26%)
HSV	hsv(24, 66%, 39%)
CMYK	cmyk(0%, 40%, 66%, 60.8%)
CIE-LAB	lab(29.56, 14.81, 23.22)
CIE-LCH	lch(29.56, 27.54, 57.47°)
OKLab	oklab(39.82% 0.0417 0.0545)
OKLCH	oklch(39.82% 0.069 52.6)
XYZ	xyz(7.1606, 6.0572, 2.3051)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C22 #224A64

analogous

#642229 #643C22 #645D22

triadic

#643C22 #22643C #3C2264

tetradic

#643C22 #296422 #224A64 #5D2264

square

#643C22 #296422 #224A64 #5D2264

split-complementary

#643C22 #22645D #222964

monochromatic

#170E08 #362112 #643C22 #925732 #BF7342

Accessibility & contrast

On white

9.50

#643C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#643C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C22

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C22	#FFFFFF	#000000	##FFFFFF
##643C22	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474020

Deuteranopia (green-blind)

#514922

Tritanopia (blue-blind)

#6D3436

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c22;
/* rgb */ color: rgb(100, 60, 34);
/* oklch */ color: oklch(39.8% 0.069 52.6);

Tailwind

colors: {
  custom: {
    50: '#93725e',
    500: '#643c22',
    950: '#000000',
  },
}

SCSS

$custom: #643c22;
$custom-light: #93725e;
$custom-dark: #000000;

JSON

{
  "hex": "#643c22",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 34
  },
  "hsl": {
    "h": 23.636,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39823,
    "c": 0.0686,
    "h": 52.6
  },
  "luminance": 0.06057
}

Semantic roles & 50–950 ramp

primary

#643C22

secondary

#4A7998

accent

#A3D94F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0804

muted

#7E7B79

Preview Lab

Preview with #643C22

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

Preview Lab → · Contrast checker → · Palette generator →