#643C13#643C13

#643C13 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.6% C 0.078 H 62.3°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#643C13
RGB	rgb(100, 60, 19)
HSL	hsl(30, 68%, 23%)
HSV	hsv(30, 81%, 39%)
CMYK	cmyk(0%, 40%, 81%, 60.8%)
CIE-LAB	lab(29.38, 13.86, 31.35)
CIE-LCH	lch(29.38, 34.28, 66.16°)
OKLab	oklab(39.64% 0.0363 0.069)
OKLCH	oklch(39.64% 0.078 62.3)
XYZ	xyz(6.9895, 5.9888, 1.4038)
Luminance	0.0599 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C13 #133B64

analogous

#641313 #643C13 #636413

triadic

#643C13 #13643C #3C1364

tetradic

#643C13 #136413 #133B64 #641363

square

#643C13 #136413 #133B64 #641363

split-complementary

#643C13 #136364 #131364

monochromatic

#1A0F05 #311D09 #643C13 #975B1D #CB7A27

Accessibility & contrast

On white

9.56

#643C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#643C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C13

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C13	#FFFFFF	#000000	##FFFFFF
##643C13	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48400D

Deuteranopia (green-blind)

#524913

Tritanopia (blue-blind)

#6E3334

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643c13;
/* rgb */ color: rgb(100, 60, 19);
/* oklch */ color: oklch(39.6% 0.078 62.3);

Tailwind

colors: {
  custom: {
    50: '#957254',
    500: '#643c13',
    950: '#000000',
  },
}

SCSS

$custom: #643c13;
$custom-light: #957254;
$custom-dark: #000000;

JSON

{
  "hex": "#643c13",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 19
  },
  "hsl": {
    "h": 30.37,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39635,
    "c": 0.07797,
    "h": 62.3
  },
  "luminance": 0.05988
}

Semantic roles & 50–950 ramp

primary

#643C13

secondary

#37699C

accent

#93EB3D

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643C13

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

Preview Lab → · Contrast checker → · Palette generator →