#B55D2F#B55D2F

#B55D2F is a mid, vivid orange. Relative luminance 0.179; OKLCH L 57.5% C 0.129 H 46.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#B55D2F
RGBrgb(181, 93, 47)
HSLhsl(21, 59%, 45%)
HSVhsv(21, 74%, 71%)
CMYKcmyk(0%, 48.6%, 74%, 29%)
CIE-LABlab(49.33, 32.18, 41.50)
CIE-LCHlch(49.33, 52.51, 52.21°)
OKLaboklab(57.52% 0.0891 0.0928)
OKLCHoklch(57.52% 0.129 46.2)
XYZxyz(23.4857, 17.8605, 4.8994)
Luminance0.1786 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B55D2F #2F87B5
analogous
#B52F44 #B55D2F #B5A02F
triadic
#B55D2F #2FB55D #5D2FB5
tetradic
#B55D2F #44B52F #2F87B5 #A02FB5
square
#B55D2F #44B52F #2F87B5 #A02FB5
split-complementary
#B55D2F #2FB5A0 #2F44B5
monochromatic
#542B16 #844422 #B55D2F #D17C50 #DEA180

Accessibility & contrast

On white

4.59
#B55D2F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.57
#B55D2F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #B55D2F
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B55D2F#FFFFFF#000000##FFFFFF
##B55D2F1.004.594.574.59
#FFFFFF4.591.0021.001.00
#0000004.5721.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#76692A
Deuteranopia (green-blind)
#8B7D2E
Tritanopia (blue-blind)
#C64B53
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #b55d2f;
/* rgb */ color: rgb(181, 93, 47);
/* oklch */ color: oklch(57.5% 0.129 46.2);
Tailwind
colors: {
  custom: {
    50: '#d18c6a',
    500: '#b55d2f',
    950: '#000000',
  },
}
SCSS
$custom: #b55d2f;
$custom-light: #d18c6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b55d2f",
  "rgb": {
    "r": 181,
    "g": 93,
    "b": 47
  },
  "hsl": {
    "h": 20.597,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57518,
    "c": 0.12861,
    "h": 46.2
  },
  "luminance": 0.17858
}

Semantic roles & 50–950 ramp

primary
#B55D2F
secondary
#79ACC7
accent
#ACE246
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A

Preview Lab

Preview with #B55D2F

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

Preview Lab → · Contrast checker → · Palette generator →

#B55D2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva