#64291B#64291B

#64291B is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.2% C 0.089 H 34.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX#64291B
RGBrgb(100, 41, 27)
HSLhsl(12, 57%, 25%)
HSVhsv(12, 73%, 39%)
CMYKcmyk(0%, 59%, 73%, 60.8%)
CIE-LABlab(24.87, 25.60, 21.98)
CIE-LCHlch(24.87, 33.74, 40.65°)
OKLaboklab(36.21% 0.0733 0.0507)
OKLCHoklch(36.21% 0.089 34.7)
XYZxyz(6.2469, 4.3751, 1.5522)
Luminance0.0437 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64291B #1B5664
analogous
#641B31 #64291B #644E1B
triadic
#64291B #1B6429 #291B64
tetradic
#64291B #31641B #1B5664 #4E1B64
square
#64291B #31641B #1B5664 #4E1B64
split-complementary
#64291B #1B644E #1B3164
monochromatic
#180A07 #34150E #64291B #943D28 #C45135

Accessibility & contrast

On white

11.20
#64291B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#64291B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64291B
11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64291B#FFFFFF#000000##FFFFFF
##64291B1.0011.201.8711.20
#FFFFFF11.201.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393319
Deuteranopia (green-blind)
#47401A
Tritanopia (blue-blind)
#6E1D26
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #64291b;
/* rgb */ color: rgb(100, 41, 27);
/* oklch */ color: oklch(36.2% 0.089 34.7);
Tailwind
colors: {
  custom: {
    50: '#956557',
    500: '#64291b',
    950: '#000000',
  },
}
SCSS
$custom: #64291b;
$custom-light: #956557;
$custom-dark: #000000;
JSON
{
  "hex": "#64291b",
  "rgb": {
    "r": 100,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 11.507,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36206,
    "c": 0.08912,
    "h": 34.7
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary
#64291B
secondary
#418999
accent
#C3E147
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #64291B

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

Preview Lab → · Contrast checker → · Palette generator →

#64291B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva