#63271C#63271C

#63271C is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.7% C 0.090 H 32.2°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX#63271C
RGBrgb(99, 39, 28)
HSLhsl(9, 56%, 25%)
HSVhsv(9, 72%, 39%)
CMYKcmyk(0%, 60.6%, 71.7%, 61.2%)
CIE-LABlab(24.28, 26.34, 20.61)
CIE-LCHlch(24.28, 33.44, 38.03°)
OKLaboklab(35.73% 0.076 0.0479)
OKLCHoklch(35.73% 0.09 32.2)
XYZxyz(6.0813, 4.1883, 1.5866)
Luminance0.0419 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63271C #1C5863
analogous
#631C34 #63271C #634B1C
triadic
#63271C #1C6327 #271C63
tetradic
#63271C #34631C #1C5863 #4B1C63
square
#63271C #34631C #1C5863 #4B1C63
split-complementary
#63271C #1C634B #1C3463
monochromatic
#180907 #33140F #63271C #933A29 #C24D37

Accessibility & contrast

On white

11.43
#63271C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#63271C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63271C
11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63271C#FFFFFF#000000##FFFFFF
##63271C1.0011.431.8411.43
#FFFFFF11.431.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37321B
Deuteranopia (green-blind)
#463F1B
Tritanopia (blue-blind)
#6D1B25
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #63271c;
/* rgb */ color: rgb(99, 39, 28);
/* oklch */ color: oklch(35.7% 0.090 32.2);
Tailwind
colors: {
  custom: {
    50: '#946358',
    500: '#63271c',
    950: '#000000',
  },
}
SCSS
$custom: #63271c;
$custom-light: #946358;
$custom-dark: #000000;
JSON
{
  "hex": "#63271c",
  "rgb": {
    "r": 99,
    "g": 39,
    "b": 28
  },
  "hsl": {
    "h": 9.296,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35728,
    "c": 0.08979,
    "h": 32.2
  },
  "luminance": 0.04188
}

Semantic roles & 50–950 ramp

primary
#63271C
secondary
#438B98
accent
#C8DF49
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #63271C

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

Preview Lab → · Contrast checker → · Palette generator →

#63271C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva