#642C2E#642C2E

#642C2E is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.1% C 0.081 H 19.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#642C2E
RGB	rgb(100, 44, 46)
HSL	hsl(358, 39%, 28%)
HSV	hsv(358, 56%, 39%)
CMYK	cmyk(0%, 56%, 54%, 60.8%)
CIE-LAB	lab(25.89, 25.48, 10.87)
CIE-LCH	lch(25.89, 27.70, 23.11°)
OKLab	oklab(37.09% 0.0764 0.0273)
OKLCH	oklch(37.09% 0.081 19.7)
XYZ	xyz(6.6498, 4.7087, 3.1429)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C2E #2C6462

analogous

#642C4A #642C2E #64462C

triadic

#642C2E #2E642C #2C2E64

tetradic

#642C2E #4A642C #2C6462 #462C64

square

#642C2E #4A642C #2C6462 #462C64

split-complementary

#642C2E #2C6446 #2C4A64

monochromatic

#15090A #39191A #642C2E #8E3F42 #B55659

Accessibility & contrast

On white

10.82

#642C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#642C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C2E

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C2E	#FFFFFF	#000000	##FFFFFF
##642C2E	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)

#39362E

Deuteranopia (green-blind)

#47422D

Tritanopia (blue-blind)

#6D242D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #642c2e;
/* rgb */ color: rgb(100, 44, 46);
/* oklch */ color: oklch(37.1% 0.081 19.7);

Tailwind

colors: {
  custom: {
    50: '#936766',
    500: '#642c2e',
    950: '#000000',
  },
}

SCSS

$custom: #642c2e;
$custom-light: #936766;
$custom-dark: #000000;

JSON

{
  "hex": "#642c2e",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 46
  },
  "hsl": {
    "h": 357.857,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3709,
    "c": 0.08109,
    "h": 19.7
  },
  "luminance": 0.04708
}

Semantic roles & 50–950 ramp

primary

#642C2E

secondary

#569694

accent

#CFCB59

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0606

muted

#7E7A7A

Preview Lab

Preview with #642C2E

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

Preview Lab → · Contrast checker → · Palette generator →