#642C2D#642C2D

#642C2D is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.1% C 0.081 H 20.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#642C2D
RGB	rgb(100, 44, 45)
HSL	hsl(359, 39%, 28%)
HSV	hsv(359, 56%, 39%)
CMYK	cmyk(0%, 56%, 55%, 60.8%)
CIE-LAB	lab(25.87, 25.37, 11.51)
CIE-LCH	lch(25.87, 27.86, 24.39°)
OKLab	oklab(37.07% 0.0759 0.0287)
OKLCH	oklch(37.07% 0.081 20.7)
XYZ	xyz(6.6304, 4.7009, 3.0403)
Luminance	0.0470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C2D #2C6463

analogous

#642C49 #642C2D #64472C

triadic

#642C2D #2D642C #2C2D64

tetradic

#642C2D #49642C #2C6463 #472C64

square

#642C2D #49642C #2C6463 #472C64

split-complementary

#642C2D #2C6447 #2C4964

monochromatic

#15090A #39191A #642C2D #8E3F40 #B55658

Accessibility & contrast

On white

10.82

#642C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#642C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C2D

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C2D	#FFFFFF	#000000	##FFFFFF
##642C2D	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362D

Deuteranopia (green-blind)

#47422C

Tritanopia (blue-blind)

#6D242D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #642c2d;
/* rgb */ color: rgb(100, 44, 45);
/* oklch */ color: oklch(37.1% 0.081 20.7);

Tailwind

colors: {
  custom: {
    50: '#946765',
    500: '#642c2d',
    950: '#000000',
  },
}

SCSS

$custom: #642c2d;
$custom-light: #946765;
$custom-dark: #000000;

JSON

{
  "hex": "#642c2d",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 45
  },
  "hsl": {
    "h": 358.929,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37065,
    "c": 0.08118,
    "h": 20.7
  },
  "luminance": 0.047
}

Semantic roles & 50–950 ramp

primary

#642C2D

secondary

#569695

accent

#CFCD59

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0605

muted

#7E7A7A

Preview Lab

Preview with #642C2D

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

Preview Lab → · Contrast checker → · Palette generator →