#B3603D#B3603D

#B3603D is a mid, moderate orange. Relative luminance 0.183; OKLCH L 57.9% C 0.118 H 42.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#B3603D
RGB	rgb(179, 96, 61)
HSL	hsl(18, 49%, 47%)
HSV	hsv(18, 66%, 70%)
CMYK	cmyk(0%, 46.4%, 65.9%, 29.8%)
CIE-LAB	lab(49.84, 30.53, 34.57)
CIE-LCH	lch(49.84, 46.12, 48.55°)
OKLab	oklab(57.91% 0.0867 0.0804)
OKLCH	oklch(57.91% 0.118 42.9)
XYZ	xyz(23.6176, 18.2890, 6.7003)
Luminance	0.1829 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3603D #3D90B3

analogous

#B33D55 #B3603D #B39B3D

triadic

#B3603D #3DB360 #603DB3

tetradic

#B3603D #55B33D #3D90B3 #9B3DB3

square

#B3603D #55B33D #3D90B3 #9B3DB3

split-complementary

#B3603D #3DB39B #3D55B3

monochromatic

#582F1E #85482D #B3603D #CA8263 #D9A691

Accessibility & contrast

On white

4.51

#B3603D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#B3603D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3603D

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3603D	#FFFFFF	#000000	##000000
##B3603D	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766B3A

Deuteranopia (green-blind)

#8A7E3C

Tritanopia (blue-blind)

#C35058

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b3603d;
/* rgb */ color: rgb(179, 96, 61);
/* oklch */ color: oklch(57.9% 0.118 42.9);

Tailwind

colors: {
  custom: {
    50: '#cf8e73',
    500: '#b3603d',
    950: '#000000',
  },
}

SCSS

$custom: #b3603d;
$custom-light: #cf8e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3603d",
  "rgb": {
    "r": 179,
    "g": 96,
    "b": 61
  },
  "hsl": {
    "h": 17.797,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57907,
    "c": 0.11821,
    "h": 42.9
  },
  "luminance": 0.18286
}

Semantic roles & 50–950 ramp

primary

#B3603D

secondary

#87B2C5

accent

#B0D94F

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3603D

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

Preview Lab → · Contrast checker → · Palette generator →