#B3641A#B3641A

#B3641A is a mid, vivid orange. Relative luminance 0.188; OKLCH L 58.3% C 0.130 H 57.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#B3641A
RGB	rgb(179, 100, 26)
HSL	hsl(29, 75%, 40%)
HSV	hsv(29, 85%, 70%)
CMYK	cmyk(0%, 44.1%, 85.5%, 29.8%)
CIE-LAB	lab(50.42, 26.78, 51.72)
CIE-LCH	lch(50.42, 58.24, 62.62°)
OKLab	oklab(58.25% 0.07 0.1095)
OKLCH	oklch(58.25% 0.13 57.4)
XYZ	xyz(23.3362, 18.7753, 3.3721)
Luminance	0.1877 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3641A #1A69B3

analogous

#B31A1C #B3641A #B3B11A

triadic

#B3641A #1AB364 #641AB3

tetradic

#B3641A #1CB31A #1A69B3 #B11AB3

square

#B3641A #1CB31A #1A69B3 #B11AB3

split-complementary

#B3641A #1AB3B1 #1A1CB3

monochromatic

#48280A #7E4612 #B3641A #E0822A #E8A160

Accessibility & contrast

On white

4.42

#B3641A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#B3641A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3641A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3641A	#FFFFFF	#000000	##000000
##B3641A	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D0A

Deuteranopia (green-blind)

#8F7F1A

Tritanopia (blue-blind)

#C45256

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b3641a;
/* rgb */ color: rgb(179, 100, 26);
/* oklch */ color: oklch(58.3% 0.130 57.4);

Tailwind

colors: {
  custom: {
    50: '#d1915e',
    500: '#b3641a',
    950: '#000000',
  },
}

SCSS

$custom: #b3641a;
$custom-light: #d1915e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3641a",
  "rgb": {
    "r": 179,
    "g": 100,
    "b": 26
  },
  "hsl": {
    "h": 29.02,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58251,
    "c": 0.12996,
    "h": 57.4
  },
  "luminance": 0.18773
}

Semantic roles & 50–950 ramp

primary

#B3641A

secondary

#5D96CC

accent

#97F137

background

#FDF8F5

surface

#FBF0E9

border

#D4CBC5

text

#150C05

muted

#837D79

Preview Lab

Preview with #B3641A

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

Preview Lab → · Contrast checker → · Palette generator →