#63271A#63271A

#63271A is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.7% C 0.090 H 33.8°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX#63271A
RGBrgb(99, 39, 26)
HSLhsl(11, 58%, 25%)
HSVhsv(11, 74%, 39%)
CMYKcmyk(0%, 60.6%, 73.7%, 61.2%)
CIE-LABlab(24.25, 26.22, 21.84)
CIE-LCHlch(24.25, 34.12, 39.80°)
OKLaboklab(35.7% 0.0751 0.0502)
OKLCHoklch(35.7% 0.09 33.8)
XYZxyz(6.0582, 4.1791, 1.4647)
Luminance0.0418 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63271A #1A5663
analogous
#631A32 #63271A #634C1A
triadic
#63271A #1A6327 #271A63
tetradic
#63271A #32631A #1A5663 #4C1A63
square
#63271A #32631A #1A5663 #4C1A63
split-complementary
#63271A #1A634C #1A3263
monochromatic
#180A06 #33140D #63271A #933A27 #C44D33

Accessibility & contrast

On white

11.44
#63271A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #63271A
11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63271A#FFFFFF#000000##FFFFFF
##63271A1.0011.441.8411.44
#FFFFFF11.441.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#373118
Deuteranopia (green-blind)
#463F18
Tritanopia (blue-blind)
#6D1A24
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #63271a;
/* rgb */ color: rgb(99, 39, 26);
/* oklch */ color: oklch(35.7% 0.090 33.8);
Tailwind
colors: {
  custom: {
    50: '#956357',
    500: '#63271a',
    950: '#000000',
  },
}
SCSS
$custom: #63271a;
$custom-light: #956357;
$custom-dark: #000000;
JSON
{
  "hex": "#63271a",
  "rgb": {
    "r": 99,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 10.685,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.35696,
    "c": 0.09037,
    "h": 33.8
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary
#63271A
secondary
#408999
accent
#C6E246
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #63271A

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

Preview Lab → · Contrast checker → · Palette generator →

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