#642F2E#642F2E

#642F2E is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.6% C 0.077 H 22.5°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#642F2E
RGB	rgb(100, 47, 46)
HSL	hsl(1, 37%, 29%)
HSV	hsv(1, 54%, 39%)
CMYK	cmyk(0%, 53%, 54%, 60.8%)
CIE-LAB	lab(26.56, 23.75, 11.79)
CIE-LCH	lch(26.56, 26.52, 26.39°)
OKLab	oklab(37.6% 0.071 0.0295)
OKLCH	oklch(37.6% 0.077 22.5)
XYZ	xyz(6.7657, 4.9403, 3.1815)
Luminance	0.0494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F2E #2E6364

analogous

#642E48 #642F2E #644A2E

triadic

#642F2E #2E642F #2F2E64

tetradic

#642F2E #48642E #2E6364 #4A2E64

square

#642F2E #48642E #2E6364 #4A2E64

split-complementary

#642F2E #2E644A #2E4864

monochromatic

#150A0A #3A1B1B #642F2E #8E4341 #B35B5A

Accessibility & contrast

On white

10.56

#642F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#642F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F2E

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F2E	#FFFFFF	#000000	##FFFFFF
##642F2E	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382E

Deuteranopia (green-blind)

#48432D

Tritanopia (blue-blind)

#6D272F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #642f2e;
/* rgb */ color: rgb(100, 47, 46);
/* oklch */ color: oklch(37.6% 0.077 22.5);

Tailwind

colors: {
  custom: {
    50: '#936966',
    500: '#642f2e',
    950: '#000000',
  },
}

SCSS

$custom: #642f2e;
$custom-light: #936966;
$custom-dark: #000000;

JSON

{
  "hex": "#642f2e",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 46
  },
  "hsl": {
    "h": 1.111,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37602,
    "c": 0.07687,
    "h": 22.5
  },
  "luminance": 0.0494
}

Semantic roles & 50–950 ramp

primary

#642F2E

secondary

#589596

accent

#CBCD5B

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #642F2E

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

Preview Lab → · Contrast checker → · Palette generator →