#B5582A#B5582A

#B5582A is a mid, vivid orange. Relative luminance 0.170; OKLCH L 56.7% C 0.134 H 44.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#B5582A
RGBrgb(181, 88, 42)
HSLhsl(20, 62%, 44%)
HSVhsv(20, 77%, 71%)
CMYKcmyk(0%, 51.4%, 76.8%, 29%)
CIE-LABlab(48.23, 34.59, 42.86)
CIE-LCHlch(48.23, 55.07, 51.09°)
OKLaboklab(56.66% 0.0955 0.0945)
OKLCHoklch(56.66% 0.134 44.7)
XYZxyz(22.9659, 16.9732, 4.2568)
Luminance0.1697 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5582A #2A87B5
analogous
#B52A41 #B5582A #B59D2A
triadic
#B5582A #2AB558 #582AB5
tetradic
#B5582A #41B52A #2A87B5 #9D2AB5
square
#B5582A #41B52A #2A87B5 #9D2AB5
split-complementary
#B5582A #2AB59D #2A41B5
monochromatic
#522813 #83401E #B5582A #D47648 #E09B79

Accessibility & contrast

On white

4.78
#B5582A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#B5582A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5582A
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5582A#FFFFFF#000000##FFFFFF
##B5582A1.004.784.394.78
#FFFFFF4.781.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#726624
Deuteranopia (green-blind)
#897A28
Tritanopia (blue-blind)
#C7444E
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #b5582a;
/* rgb */ color: rgb(181, 88, 42);
/* oklch */ color: oklch(56.7% 0.134 44.7);
Tailwind
colors: {
  custom: {
    50: '#d28966',
    500: '#b5582a',
    950: '#000000',
  },
}
SCSS
$custom: #b5582a;
$custom-light: #d28966;
$custom-dark: #000000;
JSON
{
  "hex": "#b5582a",
  "rgb": {
    "r": 181,
    "g": 88,
    "b": 42
  },
  "hsl": {
    "h": 19.856,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.13439,
    "h": 44.7
  },
  "luminance": 0.1697
}

Semantic roles & 50–950 ramp

primary
#B5582A
secondary
#73ACC8
accent
#AFE542
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A

Preview Lab

Preview with #B5582A

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

Preview Lab → · Contrast checker → · Palette generator →

#B5582A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva