#B55A2A#B55A2A

#B55A2A is a mid, vivid orange. Relative luminance 0.173; OKLCH L 57.0% C 0.133 H 45.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#B55A2A
RGB	rgb(181, 90, 42)
HSL	hsl(21, 62%, 44%)
HSV	hsv(21, 77%, 71%)
CMYK	cmyk(0%, 50.3%, 76.8%, 29%)
CIE-LAB	lab(48.64, 33.54, 43.28)
CIE-LCH	lch(48.64, 54.76, 52.23°)
OKLab	oklab(56.98% 0.0924 0.0954)
OKLCH	oklch(56.98% 0.133 45.9)
XYZ	xyz(23.1324, 17.3061, 4.3123)
Luminance	0.1730 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55A2A #2A85B5

analogous

#B52A40 #B55A2A #B59F2A

triadic

#B55A2A #2AB55A #5A2AB5

tetradic

#B55A2A #40B52A #2A85B5 #9F2AB5

square

#B55A2A #40B52A #2A85B5 #9F2AB5

split-complementary

#B55A2A #2AB59F #2A40B5

monochromatic

#522913 #83411E #B55A2A #D47848 #E09D79

Accessibility & contrast

On white

4.71

#B55A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#B55A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55A2A

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55A2A	#FFFFFF	#000000	##FFFFFF
##B55A2A	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746724

Deuteranopia (green-blind)

#8A7B28

Tritanopia (blue-blind)

#C74750

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b55a2a;
/* rgb */ color: rgb(181, 90, 42);
/* oklch */ color: oklch(57.0% 0.133 45.9);

Tailwind

colors: {
  custom: {
    50: '#d28a66',
    500: '#b55a2a',
    950: '#000000',
  },
}

SCSS

$custom: #b55a2a;
$custom-light: #d28a66;
$custom-dark: #000000;

JSON

{
  "hex": "#b55a2a",
  "rgb": {
    "r": 181,
    "g": 90,
    "b": 42
  },
  "hsl": {
    "h": 20.719,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56981,
    "c": 0.13281,
    "h": 45.9
  },
  "luminance": 0.17303
}

Semantic roles & 50–950 ramp

primary

#B55A2A

secondary

#73ABC8

accent

#ADE542

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B55A2A

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

Preview Lab → · Contrast checker → · Palette generator →