#B1582F#B1582F

#B1582F is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.128 H 43.8°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#B1582F
RGBrgb(177, 88, 47)
HSLhsl(19, 58%, 44%)
HSVhsv(19, 73%, 69%)
CMYKcmyk(0%, 50.3%, 73.4%, 30.6%)
CIE-LABlab(47.67, 33.20, 39.54)
CIE-LCHlch(47.67, 51.63, 49.99°)
OKLaboklab(56.13% 0.0925 0.0888)
OKLCHoklch(56.13% 0.128 43.8)
XYZxyz(22.1363, 16.5345, 4.7145)
Luminance0.1653 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1582F #2F88B1
analogous
#B12F47 #B1582F #B1992F
triadic
#B1582F #2FB158 #582FB1
tetradic
#B1582F #47B12F #2F88B1 #992FB1
square
#B1582F #47B12F #2F88B1 #992FB1
split-complementary
#B1582F #2FB199 #2F47B1
monochromatic
#502815 #814022 #B1582F #D0774D #DD9C7E

Accessibility & contrast

On white

4.88
#B1582F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#B1582F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1582F
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1582F#FFFFFF#000000##FFFFFF
##B1582F1.004.884.314.88
#FFFFFF4.881.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#71652A
Deuteranopia (green-blind)
#86792D
Tritanopia (blue-blind)
#C2464F
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #b1582f;
/* rgb */ color: rgb(177, 88, 47);
/* oklch */ color: oklch(56.1% 0.128 43.8);
Tailwind
colors: {
  custom: {
    50: '#cf8969',
    500: '#b1582f',
    950: '#000000',
  },
}
SCSS
$custom: #b1582f;
$custom-light: #cf8969;
$custom-dark: #000000;
JSON
{
  "hex": "#b1582f",
  "rgb": {
    "r": 177,
    "g": 88,
    "b": 47
  },
  "hsl": {
    "h": 18.923,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5613,
    "c": 0.12825,
    "h": 43.8
  },
  "luminance": 0.16532
}

Semantic roles & 50–950 ramp

primary
#B1582F
secondary
#76ACC5
accent
#B0E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B1582F

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

Preview Lab → · Contrast checker → · Palette generator →

#B1582F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva