#B3661B#B3661B

#B3661B is a mid, vivid orange. Relative luminance 0.192; OKLCH L 58.6% C 0.129 H 58.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#B3661B
RGBrgb(179, 102, 27)
HSLhsl(30, 74%, 40%)
HSVhsv(30, 85%, 70%)
CMYKcmyk(0%, 43%, 84.9%, 29.8%)
CIE-LABlab(50.88, 25.71, 51.74)
CIE-LCHlch(50.88, 57.78, 63.57°)
OKLaboklab(58.61% 0.067 0.1099)
OKLCHoklch(58.61% 0.129 58.6)
XYZxyz(23.5418, 19.1682, 3.4968)
Luminance0.1917 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3661B #1B68B3
analogous
#B31B1C #B3661B #B3B21B
triadic
#B3661B #1BB366 #661BB3
tetradic
#B3661B #1CB31B #1B68B3 #B21BB3
square
#B3661B #1CB31B #1B68B3 #B21BB3
split-complementary
#B3661B #1BB3B2 #1B1CB3
monochromatic
#49290B #7E4813 #B3661B #DF842C #E7A361

Accessibility & contrast

On white

4.34
#B3661B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#B3661B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3661B
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3661B#FFFFFF#000000##000000
##B3661B1.004.344.834.83
#FFFFFF4.341.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D6E0B
Deuteranopia (green-blind)
#90801B
Tritanopia (blue-blind)
#C45558
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #b3661b;
/* rgb */ color: rgb(179, 102, 27);
/* oklch */ color: oklch(58.6% 0.129 58.6);
Tailwind
colors: {
  custom: {
    50: '#d0925f',
    500: '#b3661b',
    950: '#000000',
  },
}
SCSS
$custom: #b3661b;
$custom-light: #d0925f;
$custom-dark: #000000;
JSON
{
  "hex": "#b3661b",
  "rgb": {
    "r": 179,
    "g": 102,
    "b": 27
  },
  "hsl": {
    "h": 29.605,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.58608,
    "c": 0.12865,
    "h": 58.6
  },
  "luminance": 0.19166
}

Semantic roles & 50–950 ramp

primary
#B3661B
secondary
#5E96CC
accent
#95F037
background
#FDF9F5
surface
#FBF1EA
border
#D4CBC6
text
#150D05
muted
#837E79

Preview Lab

Preview with #B3661B

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

Preview Lab → · Contrast checker → · Palette generator →

#B3661B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva