#B3603B#B3603B

#B3603B is a mid, moderate orange. Relative luminance 0.183; OKLCH L 57.9% C 0.119 H 43.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#B3603B
RGB	rgb(179, 96, 59)
HSL	hsl(19, 50%, 47%)
HSV	hsv(19, 67%, 70%)
CMYK	cmyk(0%, 46.4%, 67%, 29.8%)
CIE-LAB	lab(49.82, 30.40, 35.63)
CIE-LCH	lch(49.82, 46.84, 49.53°)
OKLab	oklab(57.88% 0.0859 0.0824)
OKLCH	oklch(57.88% 0.119 43.8)
XYZ	xyz(23.5647, 18.2678, 6.4219)
Luminance	0.1827 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3603B #3B8EB3

analogous

#B33B52 #B3603B #B39C3B

triadic

#B3603B #3BB360 #603BB3

tetradic

#B3603B #52B33B #3B8EB3 #9C3BB3

square

#B3603B #52B33B #3B8EB3 #9C3BB3

split-complementary

#B3603B #3BB39C #3B52B3

monochromatic

#572F1D #85472C #B3603B #CB8160 #DAA68E

Accessibility & contrast

On white

4.51

#B3603B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#B3603B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3603B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3603B	#FFFFFF	#000000	##000000
##B3603B	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766B37

Deuteranopia (green-blind)

#8B7E3A

Tritanopia (blue-blind)

#C45057

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b3603b;
/* rgb */ color: rgb(179, 96, 59);
/* oklch */ color: oklch(57.9% 0.119 43.8);

Tailwind

colors: {
  custom: {
    50: '#cf8e72',
    500: '#b3603b',
    950: '#000000',
  },
}

SCSS

$custom: #b3603b;
$custom-light: #cf8e72;
$custom-dark: #000000;

JSON

{
  "hex": "#b3603b",
  "rgb": {
    "r": 179,
    "g": 96,
    "b": 59
  },
  "hsl": {
    "h": 18.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57879,
    "c": 0.11907,
    "h": 43.8
  },
  "luminance": 0.18265
}

Semantic roles & 50–950 ramp

primary

#B3603B

secondary

#85B1C5

accent

#AFDA4E

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3603B

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

Preview Lab → · Contrast checker → · Palette generator →