#B0631F#B0631F

#B0631F is a mid, vivid orange. Relative luminance 0.183; OKLCH L 57.7% C 0.126 H 56.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#B0631F
RGBrgb(176, 99, 31)
HSLhsl(28, 70%, 41%)
HSVhsv(28, 82%, 69%)
CMYKcmyk(0%, 43.8%, 82.4%, 31%)
CIE-LABlab(49.80, 26.19, 49.09)
CIE-LCHlch(49.80, 55.64, 61.92°)
OKLaboklab(57.7% 0.0691 0.1054)
OKLCHoklch(57.7% 0.126 56.8)
XYZxyz(22.6157, 18.2553, 3.6287)
Luminance0.1825 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B0631F #1F6CB0
analogous
#B01F23 #B0631F #B0AB1F
triadic
#B0631F #1FB063 #631FB0
tetradic
#B0631F #23B01F #1F6CB0 #AB1FB0
square
#B0631F #23B01F #1F6CB0 #AB1FB0
split-complementary
#B0631F #1FB0AB #1F23B0
monochromatic
#48280D #7C4616 #B0631F #DB8131 #E4A165

Accessibility & contrast

On white

4.52
#B0631F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#B0631F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B0631F
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B0631F#FFFFFF#000000##000000
##B0631F1.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A6C13
Deuteranopia (green-blind)
#8C7D1F
Tritanopia (blue-blind)
#C15256
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #b0631f;
/* rgb */ color: rgb(176, 99, 31);
/* oklch */ color: oklch(57.7% 0.126 56.8);
Tailwind
colors: {
  custom: {
    50: '#ce9061',
    500: '#b0631f',
    950: '#000000',
  },
}
SCSS
$custom: #b0631f;
$custom-light: #ce9061;
$custom-dark: #000000;
JSON
{
  "hex": "#b0631f",
  "rgb": {
    "r": 176,
    "g": 99,
    "b": 31
  },
  "hsl": {
    "h": 28.138,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57697,
    "c": 0.12601,
    "h": 56.8
  },
  "luminance": 0.18253
}

Semantic roles & 50–950 ramp

primary
#B0631F
secondary
#6299C9
accent
#99ED3B
background
#FDF8F5
surface
#FBF0EA
border
#D4CBC6
text
#150C05
muted
#837D79

Preview Lab

Preview with #B0631F

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

Preview Lab → · Contrast checker → · Palette generator →

#B0631F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva