#B3641D#B3641D

#B3641D is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.129 H 56.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#B3641D
RGB	rgb(179, 100, 29)
HSL	hsl(28, 72%, 41%)
HSV	hsv(28, 84%, 70%)
CMYK	cmyk(0%, 44.1%, 83.8%, 29.8%)
CIE-LAB	lab(50.44, 26.87, 50.61)
CIE-LCH	lch(50.44, 57.30, 62.04°)
OKLab	oklab(58.27% 0.0706 0.1079)
OKLCH	oklch(58.27% 0.129 56.8)
XYZ	xyz(23.3715, 18.7894, 3.5581)
Luminance	0.1879 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3641D #1D6CB3

analogous

#B31D21 #B3641D #B3AF1D

triadic

#B3641D #1DB364 #641DB3

tetradic

#B3641D #21B31D #1D6CB3 #AF1DB3

square

#B3641D #21B31D #1D6CB3 #AF1DB3

split-complementary

#B3641D #1DB3AF #1D21B3

monochromatic

#4A290C #7E4714 #B3641D #DD8230 #E6A264

Accessibility & contrast

On white

4.41

#B3641D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#B3641D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641D

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3641D	#FFFFFF	#000000	##000000
##B3641D	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D10

Deuteranopia (green-blind)

#8E7F1D

Tritanopia (blue-blind)

#C45256

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b3641d;
/* rgb */ color: rgb(179, 100, 29);
/* oklch */ color: oklch(58.3% 0.129 56.8);

Tailwind

colors: {
  custom: {
    50: '#d09160',
    500: '#b3641d',
    950: '#000000',
  },
}

SCSS

$custom: #b3641d;
$custom-light: #d09160;
$custom-dark: #000000;

JSON

{
  "hex": "#b3641d",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 29
  },
  "hsl": {
    "h": 28.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.5827,
    "c": 0.12898,
    "h": 56.8
  },
  "luminance": 0.18787
}

Semantic roles & 50–950 ramp

primary

#B3641D

secondary

#6199CB

accent

#99EF39

background

#FDF8F5

surface

#FBF0EA

border

#D4CBC6

text

#150C05

muted

#837D79

Preview Lab

Preview with #B3641D

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

Preview Lab → · Contrast checker → · Palette generator →