#64141B#64141B

#64141B is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.112 H 21.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX#64141B
RGBrgb(100, 20, 27)
HSLhsl(355, 67%, 24%)
HSVhsv(355, 80%, 39%)
CMYKcmyk(0%, 80%, 73%, 60.8%)
CIE-LABlab(21.17, 35.55, 17.55)
CIE-LCHlch(21.17, 39.65, 26.28°)
OKLaboklab(33.42% 0.1046 0.0409)
OKLCHoklch(33.42% 0.112 21.4)
XYZxyz(5.7041, 3.2896, 1.3713)
Luminance0.0329 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64141B #14645D
analogous
#641443 #64141B #643514
triadic
#64141B #1B6414 #141B64
tetradic
#64141B #436414 #14645D #351464
square
#64141B #436414 #14645D #351464
split-complementary
#64141B #146435 #144364
monochromatic
#1A0507 #310A0D #64141B #971E29 #CA2837

Accessibility & contrast

On white

12.67
#64141B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#64141B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64141B
12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64141B#FFFFFF#000000##FFFFFF
##64141B1.0012.671.6612.67
#FFFFFF12.671.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B281B
Deuteranopia (green-blind)
#3F3918
Tritanopia (blue-blind)
#6F0017
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #64141b;
/* rgb */ color: rgb(100, 20, 27);
/* oklch */ color: oklch(33.4% 0.112 21.4);
Tailwind
colors: {
  custom: {
    50: '#975957',
    500: '#64141b',
    950: '#000000',
  },
}
SCSS
$custom: #64141b;
$custom-light: #975957;
$custom-dark: #000000;
JSON
{
  "hex": "#64141b",
  "rgb": {
    "r": 100,
    "g": 20,
    "b": 27
  },
  "hsl": {
    "h": 354.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33422,
    "c": 0.11231,
    "h": 21.4
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary
#64141B
secondary
#389B93
accent
#EADB3E
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #64141B

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

Preview Lab → · Contrast checker → · Palette generator →

#64141B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva