#642D2B#642D2B

#642D2B is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.2% C 0.080 H 23.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#642D2B
RGB	rgb(100, 45, 43)
HSL	hsl(2, 40%, 28%)
HSV	hsv(2, 57%, 39%)
CMYK	cmyk(0%, 55%, 57%, 60.8%)
CIE-LAB	lab(26.04, 24.61, 13.07)
CIE-LCH	lch(26.04, 27.86, 27.98°)
OKLab	oklab(37.19% 0.0732 0.0323)
OKLCH	oklch(37.19% 0.08 23.8)
XYZ	xyz(6.6305, 4.7613, 2.8549)
Luminance	0.0476 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D2B #2B6264

analogous

#642B45 #642D2B #64492B

triadic

#642D2B #2B642D #2D2B64

tetradic

#642D2B #45642B #2B6264 #492B64

square

#642D2B #45642B #2B6264 #492B64

split-complementary

#642D2B #2B6449 #2B4564

monochromatic

#150A09 #391A19 #642D2B #8F403D #B55754

Accessibility & contrast

On white

10.76

#642D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#642D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D2B

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D2B	#FFFFFF	#000000	##FFFFFF
##642D2B	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372B

Deuteranopia (green-blind)

#47422A

Tritanopia (blue-blind)

#6D242D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #642d2b;
/* rgb */ color: rgb(100, 45, 43);
/* oklch */ color: oklch(37.2% 0.080 23.8);

Tailwind

colors: {
  custom: {
    50: '#946764',
    500: '#642d2b',
    950: '#000000',
  },
}

SCSS

$custom: #642d2b;
$custom-light: #946764;
$custom-dark: #000000;

JSON

{
  "hex": "#642d2b",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 43
  },
  "hsl": {
    "h": 2.105,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37186,
    "c": 0.08006,
    "h": 23.8
  },
  "luminance": 0.04761
}

Semantic roles & 50–950 ramp

primary

#642D2B

secondary

#559496

accent

#CCD058

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642D2B

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

Preview Lab → · Contrast checker → · Palette generator →