#B3603A#B3603A

#B3603A is a mid, moderate orange. Relative luminance 0.183; OKLCH L 57.9% C 0.120 H 44.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#B3603A
RGB	rgb(179, 96, 58)
HSL	hsl(19, 51%, 46%)
HSV	hsv(19, 68%, 70%)
CMYK	cmyk(0%, 46.4%, 67.6%, 29.8%)
CIE-LAB	lab(49.81, 30.34, 36.16)
CIE-LCH	lch(49.81, 47.20, 50.00°)
OKLab	oklab(57.87% 0.0856 0.0834)
OKLCH	oklch(57.87% 0.12 44.3)
XYZ	xyz(23.5390, 18.2576, 6.2866)
Luminance	0.1825 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3603A #3A8DB3

analogous

#B33A51 #B3603A #B39D3A

triadic

#B3603A #3AB360 #603AB3

tetradic

#B3603A #51B33A #3A8DB3 #9D3AB3

square

#B3603A #51B33A #3A8DB3 #9D3AB3

split-complementary

#B3603A #3AB39D #3A51B3

monochromatic

#572E1C #85472B #B3603A #CB815F #DAA58D

Accessibility & contrast

On white

4.52

#B3603A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#B3603A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3603A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3603A	#FFFFFF	#000000	##000000
##B3603A	1.00	4.52	4.65	4.65
#FFFFFF	4.52	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)

#776B36

Deuteranopia (green-blind)

#8B7E39

Tritanopia (blue-blind)

#C45057

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b3603a;
/* rgb */ color: rgb(179, 96, 58);
/* oklch */ color: oklch(57.9% 0.120 44.3);

Tailwind

colors: {
  custom: {
    50: '#cf8e71',
    500: '#b3603a',
    950: '#000000',
  },
}

SCSS

$custom: #b3603a;
$custom-light: #cf8e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b3603a",
  "rgb": {
    "r": 179,
    "g": 96,
    "b": 58
  },
  "hsl": {
    "h": 18.843,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57866,
    "c": 0.11951,
    "h": 44.3
  },
  "luminance": 0.18255
}

Semantic roles & 50–950 ramp

primary

#B3603A

secondary

#84B0C5

accent

#AEDB4D

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3603A

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

Preview Lab → · Contrast checker → · Palette generator →