#B1552D#B1552D

#B1552D is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.131 H 42.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#B1552D
RGBrgb(177, 85, 45)
HSLhsl(18, 59%, 44%)
HSVhsv(18, 75%, 69%)
CMYKcmyk(0%, 52%, 74.6%, 30.6%)
CIE-LABlab(47.02, 34.68, 39.89)
CIE-LCHlch(47.02, 52.85, 49.00°)
OKLaboklab(55.63% 0.0967 0.0891)
OKLCHoklch(55.63% 0.131 42.7)
XYZxyz(21.8557, 16.0363, 4.4265)
Luminance0.1603 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1552D #2D89B1
analogous
#B12D47 #B1552D #B1972D
triadic
#B1552D #2DB155 #552DB1
tetradic
#B1552D #47B12D #2D89B1 #972DB1
square
#B1552D #47B12D #2D89B1 #972DB1
split-complementary
#B1552D #2DB197 #2D47B1
monochromatic
#4F2614 #803E21 #B1552D #D1734A #DD997B

Accessibility & contrast

On white

4.99
#B1552D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.21
#B1552D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1552D
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1552D#FFFFFF#000000##FFFFFF
##B1552D1.004.994.214.99
#FFFFFF4.991.0021.001.00
#0000004.2121.001.0021.00
##FFFFFF4.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6328
Deuteranopia (green-blind)
#85772B
Tritanopia (blue-blind)
#C2424C
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #b1552d;
/* rgb */ color: rgb(177, 85, 45);
/* oklch */ color: oklch(55.6% 0.131 42.7);
Tailwind
colors: {
  custom: {
    50: '#cf8768',
    500: '#b1552d',
    950: '#000000',
  },
}
SCSS
$custom: #b1552d;
$custom-light: #cf8768;
$custom-dark: #000000;
JSON
{
  "hex": "#b1552d",
  "rgb": {
    "r": 177,
    "g": 85,
    "b": 45
  },
  "hsl": {
    "h": 18.182,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5563,
    "c": 0.13148,
    "h": 42.7
  },
  "luminance": 0.16034
}

Semantic roles & 50–950 ramp

primary
#B1552D
secondary
#74ADC6
accent
#B3E345
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B1552D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1552D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva