#63371A#63371A

#63371A is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.6% C 0.075 H 52.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#63371A
RGBrgb(99, 55, 26)
HSLhsl(24, 58%, 25%)
HSVhsv(24, 74%, 39%)
CMYKcmyk(0%, 44.4%, 73.7%, 61.2%)
CIE-LABlab(28.01, 16.84, 26.10)
CIE-LCHlch(28.01, 31.07, 57.17°)
OKLaboklab(38.56% 0.0465 0.0595)
OKLCHoklch(38.56% 0.075 52)
XYZxyz(6.6988, 5.4603, 1.6782)
Luminance0.0546 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63371A #1A4663
analogous
#631A21 #63371A #635C1A
triadic
#63371A #1A6337 #371A63
tetradic
#63371A #21631A #1A4663 #5C1A63
square
#63371A #21631A #1A4663 #5C1A63
split-complementary
#63371A #1A635C #1A2163
monochromatic
#180D06 #331C0D #63371A #935227 #C46D33

Accessibility & contrast

On white

10.04
#63371A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#63371A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63371A
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63371A#FFFFFF#000000##FFFFFF
##63371A1.0010.042.0910.04
#FFFFFF10.041.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#443C17
Deuteranopia (green-blind)
#4E461A
Tritanopia (blue-blind)
#6D2E31
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #63371a;
/* rgb */ color: rgb(99, 55, 26);
/* oklch */ color: oklch(38.6% 0.075 52.0);
Tailwind
colors: {
  custom: {
    50: '#936e58',
    500: '#63371a',
    950: '#000000',
  },
}
SCSS
$custom: #63371a;
$custom-light: #936e58;
$custom-dark: #000000;
JSON
{
  "hex": "#63371a",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 26
  },
  "hsl": {
    "h": 23.836,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.38564,
    "c": 0.07547,
    "h": 52
  },
  "luminance": 0.0546
}

Semantic roles & 50–950 ramp

primary
#63371A
secondary
#407699
accent
#A4E246
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0703
muted
#7E7A78

Preview Lab

Preview with #63371A

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

Preview Lab → · Contrast checker → · Palette generator →

#63371A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva