#B5603A#B5603A

#B5603A is a mid, vivid orange. Relative luminance 0.185; OKLCH L 58.1% C 0.122 H 43.8°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#B5603A
RGB	rgb(181, 96, 58)
HSL	hsl(19, 51%, 47%)
HSV	hsv(19, 68%, 71%)
CMYK	cmyk(0%, 47%, 68%, 29%)
CIE-LAB	lab(50.09, 31.16, 36.57)
CIE-LCH	lch(50.09, 48.04, 49.56°)
OKLab	oklab(58.15% 0.0879 0.0842)
OKLCH	oklch(58.15% 0.122 43.8)
XYZ	xyz(24.0047, 18.4977, 6.3084)
Luminance	0.1850 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5603A #3A8FB5

analogous

#B53A51 #B5603A #B59E3A

triadic

#B5603A #3AB560 #603AB5

tetradic

#B5603A #51B53A #3A8FB5 #9E3AB5

square

#B5603A #51B53A #3A8FB5 #9E3AB5

split-complementary

#B5603A #3AB59E #3A51B5

monochromatic

#582F1C #87472B #B5603A #CC8160 #DBA68E

Accessibility & contrast

On white

4.47

#B5603A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#B5603A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B5603A

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5603A	#FFFFFF	#000000	##000000
##B5603A	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)

#776C36

Deuteranopia (green-blind)

#8C7E39

Tritanopia (blue-blind)

#C64F57

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b5603a;
/* rgb */ color: rgb(181, 96, 58);
/* oklch */ color: oklch(58.1% 0.122 43.8);

Tailwind

colors: {
  custom: {
    50: '#d18e71',
    500: '#b5603a',
    950: '#000000',
  },
}

SCSS

$custom: #b5603a;
$custom-light: #d18e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b5603a",
  "rgb": {
    "r": 181,
    "g": 96,
    "b": 58
  },
  "hsl": {
    "h": 18.537,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.58145,
    "c": 0.12173,
    "h": 43.8
  },
  "luminance": 0.18495
}

Semantic roles & 50–950 ramp

primary

#B5603A

secondary

#85B2C6

accent

#AFDB4D

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B5603A

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

Preview Lab → · Contrast checker → · Palette generator →