#B55A30#B55A30

#B55A30 is a mid, vivid orange. Relative luminance 0.173; OKLCH L 57.0% C 0.131 H 43.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#B55A30
RGB	rgb(181, 90, 48)
HSL	hsl(19, 58%, 45%)
HSV	hsv(19, 73%, 71%)
CMYK	cmyk(0%, 50.3%, 73.5%, 29%)
CIE-LAB	lab(48.70, 33.81, 40.31)
CIE-LCH	lch(48.70, 52.61, 50.01°)
OKLab	oklab(57.04% 0.0942 0.0905)
OKLCH	oklch(57.04% 0.131 43.8)
XYZ	xyz(23.2479, 17.3523, 4.9208)
Luminance	0.1735 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55A30 #308BB5

analogous

#B53049 #B55A30 #B59C30

triadic

#B55A30 #30B55A #5A30B5

tetradic

#B55A30 #49B530 #308BB5 #9C30B5

square

#B55A30 #49B530 #308BB5 #9C30B5

split-complementary

#B55A30 #30B59C #3049B5

monochromatic

#542A16 #854223 #B55A30 #D17A51 #DE9F82

Accessibility & contrast

On white

4.70

#B55A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#B55A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55A30

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55A30	#FFFFFF	#000000	##FFFFFF
##B55A30	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73672B

Deuteranopia (green-blind)

#897B2E

Tritanopia (blue-blind)

#C64751

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #b55a30;
/* rgb */ color: rgb(181, 90, 48);
/* oklch */ color: oklch(57.0% 0.131 43.8);

Tailwind

colors: {
  custom: {
    50: '#d18a6a',
    500: '#b55a30',
    950: '#000000',
  },
}

SCSS

$custom: #b55a30;
$custom-light: #d18a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b55a30",
  "rgb": {
    "r": 181,
    "g": 90,
    "b": 48
  },
  "hsl": {
    "h": 18.947,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57043,
    "c": 0.13061,
    "h": 43.8
  },
  "luminance": 0.17349
}

Semantic roles & 50–950 ramp

primary

#B55A30

secondary

#7AAFC7

accent

#B0E146

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C06

muted

#837D7A

Preview Lab

Preview with #B55A30

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

Preview Lab → · Contrast checker → · Palette generator →