#B3603C#B3603C

#B3603C is a mid, moderate orange. Relative luminance 0.183; OKLCH L 57.9% C 0.119 H 43.3°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#B3603C
RGB	rgb(179, 96, 60)
HSL	hsl(18, 50%, 47%)
HSV	hsv(18, 66%, 70%)
CMYK	cmyk(0%, 46.4%, 66.5%, 29.8%)
CIE-LAB	lab(49.83, 30.47, 35.10)
CIE-LCH	lch(49.83, 46.48, 49.04°)
OKLab	oklab(57.89% 0.0863 0.0814)
OKLCH	oklch(57.89% 0.119 43.3)
XYZ	xyz(23.5909, 18.2783, 6.5598)
Luminance	0.1828 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3603C #3C8FB3

analogous

#B33C54 #B3603C #B39C3C

triadic

#B3603C #3CB360 #603CB3

tetradic

#B3603C #54B33C #3C8FB3 #9C3CB3

square

#B3603C #54B33C #3C8FB3 #9C3CB3

split-complementary

#B3603C #3CB39C #3C54B3

monochromatic

#572F1D #85472D #B3603C #CA8162 #DAA690

Accessibility & contrast

On white

4.51

#B3603C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#B3603C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3603C

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3603C	#FFFFFF	#000000	##000000
##B3603C	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)

#766B38

Deuteranopia (green-blind)

#8A7E3B

Tritanopia (blue-blind)

#C45058

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b3603c;
/* rgb */ color: rgb(179, 96, 60);
/* oklch */ color: oklch(57.9% 0.119 43.3);

Tailwind

colors: {
  custom: {
    50: '#cf8e73',
    500: '#b3603c',
    950: '#000000',
  },
}

SCSS

$custom: #b3603c;
$custom-light: #cf8e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3603c",
  "rgb": {
    "r": 179,
    "g": 96,
    "b": 60
  },
  "hsl": {
    "h": 18.151,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57893,
    "c": 0.11865,
    "h": 43.3
  },
  "luminance": 0.18276
}

Semantic roles & 50–950 ramp

primary

#B3603C

secondary

#86B2C5

accent

#AFD94E

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3603C

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

Preview Lab → · Contrast checker → · Palette generator →