#B55930#B55930

#B55930 is a mid, vivid orange. Relative luminance 0.172; OKLCH L 56.9% C 0.131 H 43.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#B55930
RGB	rgb(181, 89, 48)
HSL	hsl(18, 58%, 45%)
HSV	hsv(18, 73%, 71%)
CMYK	cmyk(0%, 50.8%, 73.5%, 29%)
CIE-LAB	lab(48.49, 34.33, 40.09)
CIE-LCH	lch(48.49, 52.78, 49.42°)
OKLab	oklab(56.88% 0.0958 0.09)
OKLCH	oklch(56.88% 0.131 43.2)
XYZ	xyz(23.1641, 17.1847, 4.8929)
Luminance	0.1718 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55930 #308CB5

analogous

#B5304A #B55930 #B59B30

triadic

#B55930 #30B559 #5930B5

tetradic

#B55930 #4AB530 #308CB5 #9B30B5

square

#B55930 #4AB530 #308CB5 #9B30B5

split-complementary

#B55930 #30B59B #304AB5

monochromatic

#542916 #854123 #B55930 #D17951 #DE9E82

Accessibility & contrast

On white

4.73

#B55930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#B55930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55930

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55930	#FFFFFF	#000000	##FFFFFF
##B55930	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72672B

Deuteranopia (green-blind)

#897B2E

Tritanopia (blue-blind)

#C64650

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b55930;
/* rgb */ color: rgb(181, 89, 48);
/* oklch */ color: oklch(56.9% 0.131 43.2);

Tailwind

colors: {
  custom: {
    50: '#d28a6a',
    500: '#b55930',
    950: '#000000',
  },
}

SCSS

$custom: #b55930;
$custom-light: #d28a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b55930",
  "rgb": {
    "r": 181,
    "g": 89,
    "b": 48
  },
  "hsl": {
    "h": 18.496,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56884,
    "c": 0.13143,
    "h": 43.2
  },
  "luminance": 0.17182
}

Semantic roles & 50–950 ramp

primary

#B55930

secondary

#7AAFC7

accent

#B2E146

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B55930

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

Preview Lab → · Contrast checker → · Palette generator →