#B3641A#B3641A

#B3641A is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.130 H 57.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#B3641A
RGBrgb(179, 100, 26)
HSLhsl(29, 75%, 40%)
HSVhsv(29, 85%, 70%)
CMYKcmyk(0%, 44.1%, 85.5%, 29.8%)
CIE-LABlab(50.42, 26.78, 51.72)
CIE-LCHlch(50.42, 58.24, 62.62°)
OKLaboklab(58.25% 0.07 0.1095)
OKLCHoklch(58.25% 0.13 57.4)
XYZxyz(23.3362, 18.7753, 3.3721)
Luminance0.1877 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3641A #1A69B3
analogous
#B31A1C #B3641A #B3B11A
triadic
#B3641A #1AB364 #641AB3
tetradic
#B3641A #1CB31A #1A69B3 #B11AB3
square
#B3641A #1CB31A #1A69B3 #B11AB3
split-complementary
#B3641A #1AB3B1 #1A1CB3
monochromatic
#48280A #7E4612 #B3641A #E0822A #E8A160

Accessibility & contrast

On white

4.42
#B3641A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#B3641A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641A
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3641A#FFFFFF#000000##000000
##B3641A1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C6D0A
Deuteranopia (green-blind)
#8F7F1A
Tritanopia (blue-blind)
#C45256
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #b3641a;
/* rgb */ color: rgb(179, 100, 26);
/* oklch */ color: oklch(58.3% 0.130 57.4);
Tailwind
colors: {
  custom: {
    50: '#d1915e',
    500: '#b3641a',
    950: '#000000',
  },
}
SCSS
$custom: #b3641a;
$custom-light: #d1915e;
$custom-dark: #000000;
JSON
{
  "hex": "#b3641a",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 26
  },
  "hsl": {
    "h": 29.02,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58251,
    "c": 0.12996,
    "h": 57.4
  },
  "luminance": 0.18773
}

Semantic roles & 50–950 ramp

primary
#B3641A
secondary
#5D96CC
accent
#97F137
background
#FDF8F5
surface
#FBF0E9
border
#D4CBC5
text
#150C05
muted
#837D79

Preview Lab

Preview with #B3641A

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

Preview Lab → · Contrast checker → · Palette generator →

#B3641A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva