#B5603C#B5603C

#B5603C is a mid, vivid orange. Relative luminance 0.185; OKLCH L 58.2% C 0.121 H 42.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#B5603C
RGB	rgb(181, 96, 60)
HSL	hsl(18, 50%, 47%)
HSV	hsv(18, 67%, 71%)
CMYK	cmyk(0%, 47%, 66.9%, 29%)
CIE-LAB	lab(50.12, 31.28, 35.51)
CIE-LCH	lch(50.12, 47.32, 48.62°)
OKLab	oklab(58.17% 0.0886 0.0822)
OKLCH	oklch(58.17% 0.121 42.9)
XYZ	xyz(24.0566, 18.5184, 6.5816)
Luminance	0.1852 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5603C #3C91B5

analogous

#B53C55 #B5603C #B59C3C

triadic

#B5603C #3CB560 #603CB5

tetradic

#B5603C #55B53C #3C91B5 #9C3CB5

square

#B5603C #55B53C #3C91B5 #9C3CB5

split-complementary

#B5603C #3CB59C #3C55B5

monochromatic

#592F1E #87482D #B5603C #CB8263 #DBA791

Accessibility & contrast

On white

4.47

#B5603C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#B5603C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B5603C

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5603C	#FFFFFF	#000000	##000000
##B5603C	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#776C38

Deuteranopia (green-blind)

#8B7E3B

Tritanopia (blue-blind)

#C65058

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b5603c;
/* rgb */ color: rgb(181, 96, 60);
/* oklch */ color: oklch(58.2% 0.121 42.9);

Tailwind

colors: {
  custom: {
    50: '#d18e73',
    500: '#b5603c',
    950: '#000000',
  },
}

SCSS

$custom: #b5603c;
$custom-light: #d18e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b5603c",
  "rgb": {
    "r": 181,
    "g": 96,
    "b": 60
  },
  "hsl": {
    "h": 17.851,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.58171,
    "c": 0.12089,
    "h": 42.9
  },
  "luminance": 0.18516
}

Semantic roles & 50–950 ramp

primary

#B5603C

secondary

#87B3C6

accent

#B0DA4E

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B5603C

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

Preview Lab → · Contrast checker → · Palette generator →