#B3641C#B3641C

#B3641C is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.129 H 57.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#B3641C
RGB	rgb(179, 100, 28)
HSL	hsl(29, 73%, 41%)
HSV	hsv(29, 84%, 70%)
CMYK	cmyk(0%, 44.1%, 84.4%, 29.8%)
CIE-LAB	lab(50.43, 26.84, 50.99)
CIE-LCH	lch(50.43, 57.62, 62.24°)
OKLab	oklab(58.26% 0.0704 0.1085)
OKLCH	oklch(58.26% 0.129 57)
XYZ	xyz(23.3593, 18.7845, 3.4940)
Luminance	0.1878 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3641C #1C6BB3

analogous

#B31C20 #B3641C #B3AF1C

triadic

#B3641C #1CB364 #641CB3

tetradic

#B3641C #20B31C #1C6BB3 #AF1CB3

square

#B3641C #20B31C #1C6BB3 #AF1CB3

split-complementary

#B3641C #1CB3AF #1C20B3

monochromatic

#49290B #7E4614 #B3641C #DE822E #E7A263

Accessibility & contrast

On white

4.42

#B3641C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#B3641C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641C

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3641C	#FFFFFF	#000000	##000000
##B3641C	1.00	4.42	4.76	4.76
#FFFFFF	4.42	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)

#7C6D0E

Deuteranopia (green-blind)

#8F7F1C

Tritanopia (blue-blind)

#C45256

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b3641c;
/* rgb */ color: rgb(179, 100, 28);
/* oklch */ color: oklch(58.3% 0.129 57.0);

Tailwind

colors: {
  custom: {
    50: '#d0915f',
    500: '#b3641c',
    950: '#000000',
  },
}

SCSS

$custom: #b3641c;
$custom-light: #d0915f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3641c",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 28
  },
  "hsl": {
    "h": 28.609,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58263,
    "c": 0.12931,
    "h": 57
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary

#B3641C

secondary

#5F98CB

accent

#98F038

background

#FDF8F5

surface

#FBF0EA

border

#D4CBC6

text

#150C05

muted

#837D79

Preview Lab

Preview with #B3641C

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

Preview Lab → · Contrast checker → · Palette generator →