#B5603D#B5603D

#B5603D is a mid, vivid orange. Relative luminance 0.185; OKLCH L 58.2% C 0.120 H 42.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#B5603D
RGB	rgb(181, 96, 61)
HSL	hsl(18, 50%, 47%)
HSV	hsv(18, 66%, 71%)
CMYK	cmyk(0%, 47%, 66.3%, 29%)
CIE-LAB	lab(50.13, 31.34, 34.97)
CIE-LCH	lch(50.13, 46.96, 48.13°)
OKLab	oklab(58.18% 0.089 0.0812)
OKLCH	oklch(58.18% 0.12 42.4)
XYZ	xyz(24.0833, 18.5291, 6.7222)
Luminance	0.1853 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5603D #3D92B5

analogous

#B53D56 #B5603D #B59C3D

triadic

#B5603D #3DB560 #603DB5

tetradic

#B5603D #56B53D #3D92B5 #9C3DB5

square

#B5603D #56B53D #3D92B5 #9C3DB5

split-complementary

#B5603D #3DB59C #3D56B5

monochromatic

#592F1E #87482E #B5603D #CB8264 #DAA792

Accessibility & contrast

On white

4.46

#B5603D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#B5603D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B5603D

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5603D	#FFFFFF	#000000	##000000
##B5603D	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#776C3A

Deuteranopia (green-blind)

#8B7E3C

Tritanopia (blue-blind)

#C65058

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b5603d;
/* rgb */ color: rgb(181, 96, 61);
/* oklch */ color: oklch(58.2% 0.120 42.4);

Tailwind

colors: {
  custom: {
    50: '#d08e73',
    500: '#b5603d',
    950: '#000000',
  },
}

SCSS

$custom: #b5603d;
$custom-light: #d08e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b5603d",
  "rgb": {
    "r": 181,
    "g": 96,
    "b": 61
  },
  "hsl": {
    "h": 17.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58185,
    "c": 0.12047,
    "h": 42.4
  },
  "luminance": 0.18526
}

Semantic roles & 50–950 ramp

primary

#B5603D

secondary

#88B4C5

accent

#B1D94F

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B5603D

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

Preview Lab → · Contrast checker → · Palette generator →