#643231#643231

#643231 is a dark, moderate red. Relative luminance 0.052; OKLCH L 38.2% C 0.072 H 22.2°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#643231
RGB	rgb(100, 50, 49)
HSL	hsl(1, 34%, 29%)
HSV	hsv(1, 51%, 39%)
CMYK	cmyk(0%, 50%, 51%, 60.8%)
CIE-LAB	lab(27.33, 22.31, 10.85)
CIE-LCH	lch(27.33, 24.81, 25.93°)
OKLab	oklab(38.21% 0.0669 0.0273)
OKLCH	oklch(38.21% 0.072 22.2)
XYZ	xyz(6.9510, 5.2130, 3.5453)
Luminance	0.0521 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643231 #316364

analogous

#64314A #643231 #644C31

triadic

#643231 #316432 #323164

tetradic

#643231 #4A6431 #316364 #4C3164

square

#643231 #4A6431 #316364 #4C3164

split-complementary

#643231 #31644C #314A64

monochromatic

#150A0A #3B1D1D #643231 #8D4745 #B1605F

Accessibility & contrast

On white

10.28

#643231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#643231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643231

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643231	#FFFFFF	#000000	##FFFFFF
##643231	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A31

Deuteranopia (green-blind)

#494430

Tritanopia (blue-blind)

#6D2B32

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643231;
/* rgb */ color: rgb(100, 50, 49);
/* oklch */ color: oklch(38.2% 0.072 22.2);

Tailwind

colors: {
  custom: {
    50: '#936b69',
    500: '#643231',
    950: '#000000',
  },
}

SCSS

$custom: #643231;
$custom-light: #936b69;
$custom-dark: #000000;

JSON

{
  "hex": "#643231",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 1.176,
    "s": 34.228,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38209,
    "c": 0.07228,
    "h": 22.2
  },
  "luminance": 0.05212
}

Semantic roles & 50–950 ramp

primary

#643231

secondary

#5C9495

accent

#C8CA5D

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0706

muted

#7E7A7A

Preview Lab

Preview with #643231

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

Preview Lab → · Contrast checker → · Palette generator →