#B3241C#B3241C

#B3241C is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.180 H 28.8°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B3241C
RGB	rgb(179, 36, 28)
HSL	hsl(3, 73%, 41%)
HSV	hsv(3, 84%, 70%)
CMYK	cmyk(0%, 79.9%, 84.4%, 29.8%)
CIE-LAB	lab(39.47, 55.48, 41.28)
CIE-LCH	lch(39.47, 69.15, 36.65°)
OKLab	oklab(49.96% 0.1577 0.0867)
OKLCH	oklch(49.96% 0.18 28.8)
XYZ	xyz(19.4333, 10.9325, 2.1853)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3241C #1CABB3

analogous

#B31C5F #B3241C #B36F1C

triadic

#B3241C #1CB324 #241CB3

tetradic

#B3241C #5FB31C #1CABB3 #6F1CB3

square

#B3241C #5FB31C #1CABB3 #6F1CB3

split-complementary

#B3241C #1CB36F #1C5FB3

monochromatic

#490F0B #7E1914 #B3241C #DE372E #E76A63

Accessibility & contrast

On white

6.59

#B3241C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B3241C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3241C

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3241C	#FFFFFF	#000000	##FFFFFF
##B3241C	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524919

Deuteranopia (green-blind)

#756813

Tritanopia (blue-blind)

#C60024

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b3241c;
/* rgb */ color: rgb(179, 36, 28);
/* oklch */ color: oklch(50.0% 0.180 28.8);

Tailwind

colors: {
  custom: {
    50: '#d46d5a',
    500: '#b3241c',
    950: '#000000',
  },
}

SCSS

$custom: #b3241c;
$custom-light: #d46d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3241c",
  "rgb": {
    "r": 179,
    "g": 36,
    "b": 28
  },
  "hsl": {
    "h": 3.179,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49955,
    "c": 0.17997,
    "h": 28.8
  },
  "luminance": 0.10929
}

Semantic roles & 50–950 ramp

primary

#B3241C

secondary

#5FC6CB

accent

#E6F038

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3241C

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

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