#B3641C#B3641C

#B3641C is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.129 H 57.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#B3641C
RGBrgb(179, 100, 28)
HSLhsl(29, 73%, 41%)
HSVhsv(29, 84%, 70%)
CMYKcmyk(0%, 44.1%, 84.4%, 29.8%)
CIE-LABlab(50.43, 26.84, 50.99)
CIE-LCHlch(50.43, 57.62, 62.24°)
OKLaboklab(58.26% 0.0704 0.1085)
OKLCHoklch(58.26% 0.129 57)
XYZxyz(23.3593, 18.7845, 3.4940)
Luminance0.1878 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3641C #1C6BB3
analogous
#B31C20 #B3641C #B3AF1C
triadic
#B3641C #1CB364 #641CB3
tetradic
#B3641C #20B31C #1C6BB3 #AF1CB3
square
#B3641C #20B31C #1C6BB3 #AF1CB3
split-complementary
#B3641C #1CB3AF #1C20B3
monochromatic
#49290B #7E4614 #B3641C #DE822E #E7A263

Accessibility & contrast

On white

4.42
#B3641C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#B3641C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641C
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3641C#FFFFFF#000000##000000
##B3641C1.004.424.764.76
#FFFFFF4.421.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C6D0E
Deuteranopia (green-blind)
#8F7F1C
Tritanopia (blue-blind)
#C45256
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #b3641c;
/* rgb */ color: rgb(179, 100, 28);
/* oklch */ color: oklch(58.3% 0.129 57.0);
Tailwind
colors: {
  custom: {
    50: '#d0915f',
    500: '#b3641c',
    950: '#000000',
  },
}
SCSS
$custom: #b3641c;
$custom-light: #d0915f;
$custom-dark: #000000;
JSON
{
  "hex": "#b3641c",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 28
  },
  "hsl": {
    "h": 28.609,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58263,
    "c": 0.12931,
    "h": 57
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary
#B3641C
secondary
#5F98CB
accent
#98F038
background
#FDF8F5
surface
#FBF0EA
border
#D4CBC6
text
#150C05
muted
#837D79

Preview Lab

Preview with #B3641C

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

Preview Lab → · Contrast checker → · Palette generator →

#B3641C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva