#B45931#B45931

#B45931 is a mid, vivid orange. Relative luminance 0.171; OKLCH L 56.7% C 0.130 H 43.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#B45931
RGB	rgb(180, 89, 49)
HSL	hsl(18, 57%, 45%)
HSV	hsv(18, 73%, 71%)
CMYK	cmyk(0%, 50.6%, 72.8%, 29.4%)
CIE-LAB	lab(48.35, 33.98, 39.37)
CIE-LCH	lch(48.35, 52.01, 49.20°)
OKLab	oklab(56.75% 0.095 0.0887)
OKLCH	oklch(56.75% 0.13 43)
XYZ	xyz(22.9513, 17.0726, 4.9918)
Luminance	0.1707 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45931 #318CB4

analogous

#B4314A #B45931 #B49B31

triadic

#B45931 #31B459 #5931B4

tetradic

#B45931 #4AB431 #318CB4 #9B31B4

square

#B45931 #4AB431 #318CB4 #9B31B4

split-complementary

#B45931 #31B49B #314AB4

monochromatic

#542917 #844124 #B45931 #D07952 #DD9E82

Accessibility & contrast

On white

4.76

#B45931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#B45931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45931

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45931	#FFFFFF	#000000	##FFFFFF
##B45931	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72662D

Deuteranopia (green-blind)

#887B2F

Tritanopia (blue-blind)

#C54650

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b45931;
/* rgb */ color: rgb(180, 89, 49);
/* oklch */ color: oklch(56.7% 0.130 43.0);

Tailwind

colors: {
  custom: {
    50: '#d18a6b',
    500: '#b45931',
    950: '#000000',
  },
}

SCSS

$custom: #b45931;
$custom-light: #d18a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b45931",
  "rgb": {
    "r": 180,
    "g": 89,
    "b": 49
  },
  "hsl": {
    "h": 18.321,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56749,
    "c": 0.12997,
    "h": 43
  },
  "luminance": 0.1707
}

Semantic roles & 50–950 ramp

primary

#B45931

secondary

#7BAFC6

accent

#B2E047

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B45931

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

Preview Lab → · Contrast checker → · Palette generator →