#64131A#64131A

#64131A is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.3% C 0.113 H 21.7°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#64131A
RGB	rgb(100, 19, 26)
HSL	hsl(355, 68%, 23%)
HSV	hsv(355, 81%, 39%)
CMYK	cmyk(0%, 81%, 74%, 60.8%)
CIE-LAB	lab(21.02, 35.86, 18.05)
CIE-LCH	lch(21.02, 40.15, 26.72°)
OKLab	oklab(33.31% 0.1053 0.0419)
OKLCH	oklch(33.31% 0.113 21.7)
XYZ	xyz(5.6755, 3.2505, 1.3057)
Luminance	0.0325 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64131A #13645D

analogous

#641342 #64131A #643413

triadic

#64131A #1A6413 #131A64

tetradic

#64131A #426413 #13645D #341364

square

#64131A #426413 #13645D #341364

split-complementary

#64131A #136434 #134264

monochromatic

#1A0507 #31090D #64131A #971D27 #CB2735

Accessibility & contrast

On white

12.73

#64131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#64131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64131A

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64131A	#FFFFFF	#000000	##FFFFFF
##64131A	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B271A

Deuteranopia (green-blind)

#3F3917

Tritanopia (blue-blind)

#6F0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #64131a;
/* rgb */ color: rgb(100, 19, 26);
/* oklch */ color: oklch(33.3% 0.113 21.7);

Tailwind

colors: {
  custom: {
    50: '#975956',
    500: '#64131a',
    950: '#000000',
  },
}

SCSS

$custom: #64131a;
$custom-light: #975956;
$custom-dark: #000000;

JSON

{
  "hex": "#64131a",
  "rgb": {
    "r": 100,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 354.815,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33307,
    "c": 0.11335,
    "h": 21.7
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#64131A

secondary

#379C93

accent

#EBDC3D

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64131A

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

Preview Lab → · Contrast checker → · Palette generator →