#642E2A#642E2A

#642E2A is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.3% C 0.079 H 25.9°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#642E2A
RGB	rgb(100, 46, 42)
HSL	hsl(4, 41%, 28%)
HSV	hsv(4, 58%, 39%)
CMYK	cmyk(0%, 54%, 58%, 60.8%)
CIE-LAB	lab(26.25, 23.94, 14.00)
CIE-LCH	lch(26.25, 27.73, 30.33°)
OKLab	oklab(37.33% 0.071 0.0345)
OKLCH	oklch(37.33% 0.079 25.9)
XYZ	xyz(6.6510, 4.8312, 2.7723)
Luminance	0.0483 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E2A #2A6064

analogous

#642A43 #642E2A #644B2A

triadic

#642E2A #2A642E #2E2A64

tetradic

#642E2A #43642A #2A6064 #4B2A64

square

#642E2A #43642A #2A6064 #4B2A64

split-complementary

#642E2A #2A644B #2A4364

monochromatic

#160A09 #391A18 #642E2A #8F423C #B65952

Accessibility & contrast

On white

10.68

#642E2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#642E2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E2A

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E2A	#FFFFFF	#000000	##FFFFFF
##642E2A	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3729

Deuteranopia (green-blind)

#484229

Tritanopia (blue-blind)

#6D252D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #642e2a;
/* rgb */ color: rgb(100, 46, 42);
/* oklch */ color: oklch(37.3% 0.079 25.9);

Tailwind

colors: {
  custom: {
    50: '#946863',
    500: '#642e2a',
    950: '#000000',
  },
}

SCSS

$custom: #642e2a;
$custom-light: #946863;
$custom-dark: #000000;

JSON

{
  "hex": "#642e2a",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 42
  },
  "hsl": {
    "h": 4.138,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37334,
    "c": 0.07892,
    "h": 25.9
  },
  "luminance": 0.0483
}

Semantic roles & 50–950 ramp

primary

#642E2A

secondary

#539296

accent

#C8D157

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642E2A

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

Preview Lab → · Contrast checker → · Palette generator →