#643C32#643C32

#643C32 is a dark, muted red. Relative luminance 0.062; OKLCH L 40.1% C 0.059 H 34.8°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#643C32
RGB	rgb(100, 60, 50)
HSL	hsl(12, 33%, 29%)
HSV	hsv(12, 50%, 39%)
CMYK	cmyk(0%, 40%, 50%, 60.8%)
CIE-LAB	lab(29.84, 16.36, 13.59)
CIE-LCH	lch(29.84, 21.27, 39.71°)
OKLab	oklab(40.14% 0.0488 0.0339)
OKLCH	oklch(40.14% 0.059 34.8)
XYZ	xyz(7.4475, 6.1720, 3.8161)
Luminance	0.0617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C32 #325A64

analogous

#643241 #643C32 #645532

triadic

#643C32 #32643C #3C3264

tetradic

#643C32 #416432 #325A64 #553264

square

#643C32 #416432 #325A64 #553264

split-complementary

#643C32 #326455 #324164

monochromatic

#140C0A #3B241E #643C32 #8D5446 #B07061

Accessibility & contrast

On white

9.40

#643C32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643C32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C32

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C32	#FFFFFF	#000000	##FFFFFF
##643C32	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464131

Deuteranopia (green-blind)

#4F4A32

Tritanopia (blue-blind)

#6C3639

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c32;
/* rgb */ color: rgb(100, 60, 50);
/* oklch */ color: oklch(40.1% 0.059 34.8);

Tailwind

colors: {
  custom: {
    50: '#92726a',
    500: '#643c32',
    950: '#000000',
  },
}

SCSS

$custom: #643c32;
$custom-light: #92726a;
$custom-dark: #000000;

JSON

{
  "hex": "#643c32",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 50
  },
  "hsl": {
    "h": 12,
    "s": 33.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40137,
    "c": 0.05939,
    "h": 34.8
  },
  "luminance": 0.06171
}

Semantic roles & 50–950 ramp

primary

#643C32

secondary

#5D8A95

accent

#B4C95E

background

#F9F6F6

surface

#F1ECEB

border

#CBC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643C32

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

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