#B4431C#B4431C

#B4431C is a mid, vivid orange. Relative luminance 0.138; OKLCH L 53.3% C 0.155 H 38.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B4431C
RGB	rgb(180, 67, 28)
HSL	hsl(15, 73%, 41%)
HSV	hsv(15, 84%, 71%)
CMYK	cmyk(0%, 62.8%, 84.4%, 29.4%)
CIE-LAB	lab(43.95, 44.06, 45.37)
CIE-LCH	lch(43.95, 63.24, 45.84°)
OKLab	oklab(53.35% 0.1223 0.0958)
OKLCH	oklch(53.35% 0.155 38.1)
XYZ	xyz(21.0415, 13.8045, 2.6549)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4431C #1C8DB4

analogous

#B41C41 #B4431C #B48F1C

triadic

#B4431C #1CB443 #431CB4

tetradic

#B4431C #41B41C #1C8DB4 #8F1CB4

square

#B4431C #41B41C #1C8DB4 #8F1CB4

split-complementary

#B4431C #1CB48F #1C41B4

monochromatic

#4A1C0C #7F2F14 #B4431C #DF5C2F #E78564

Accessibility & contrast

On white

5.58

#B4431C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B4431C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4431C

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4431C	#FFFFFF	#000000	##FFFFFF
##B4431C	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645815

Deuteranopia (green-blind)

#7F7116

Tritanopia (blue-blind)

#C6253C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b4431c;
/* rgb */ color: rgb(180, 67, 28);
/* oklch */ color: oklch(53.3% 0.155 38.1);

Tailwind

colors: {
  custom: {
    50: '#d37c5c',
    500: '#b4431c',
    950: '#000000',
  },
}

SCSS

$custom: #b4431c;
$custom-light: #d37c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4431c",
  "rgb": {
    "r": 180,
    "g": 67,
    "b": 28
  },
  "hsl": {
    "h": 15.395,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53349,
    "c": 0.15532,
    "h": 38.1
  },
  "luminance": 0.13801
}

Semantic roles & 50–950 ramp

primary

#B4431C

secondary

#60B0CC

accent

#C1F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B4431C

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

Preview Lab → · Contrast checker → · Palette generator →