#B41837#B41837

#B41837 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.7% C 0.186 H 18.2°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#B41837
RGB	rgb(180, 24, 55)
HSL	hsl(348, 76%, 40%)
HSV	hsv(348, 87%, 71%)
CMYK	cmyk(0%, 86.7%, 69.4%, 29.4%)
CIE-LAB	lab(38.96, 59.71, 24.99)
CIE-LCH	lch(38.96, 64.73, 22.71°)
OKLab	oklab(49.72% 0.1769 0.0583)
OKLCH	oklch(49.72% 0.186 18.2)
XYZ	xyz(19.8409, 10.6356, 4.6219)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41837 #18B495

analogous

#B41885 #B41837 #B44718

triadic

#B41837 #37B418 #1837B4

tetradic

#B41837 #85B418 #18B495 #4718B4

square

#B41837 #85B418 #18B495 #4718B4

split-complementary

#B41837 #18B447 #1885B4

monochromatic

#480A16 #7E1126 #B41837 #E2274C #E95D79

Accessibility & contrast

On white

6.72

#B41837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B41837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41837

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41837	#FFFFFF	#000000	##FFFFFF
##B41837	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4737

Deuteranopia (green-blind)

#726732

Tritanopia (blue-blind)

#C60027

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41837;
/* rgb */ color: rgb(180, 24, 55);
/* oklch */ color: oklch(49.7% 0.186 18.2);

Tailwind

colors: {
  custom: {
    50: '#d36a6d',
    500: '#b41837',
    950: '#000000',
  },
}

SCSS

$custom: #b41837;
$custom-light: #d36a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b41837",
  "rgb": {
    "r": 180,
    "g": 24,
    "b": 55
  },
  "hsl": {
    "h": 348.077,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.4972,
    "c": 0.18627,
    "h": 18.2
  },
  "luminance": 0.10632
}

Semantic roles & 50–950 ramp

primary

#B41837

secondary

#5BCDB6

accent

#F3CD35

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160707

muted

#847A7A

Preview Lab

Preview with #B41837

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

Preview Lab → · Contrast checker → · Palette generator →