#B41813#B41813

#B41813 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.3% C 0.189 H 28.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#B41813
RGB	rgb(180, 24, 19)
HSL	hsl(2, 81%, 39%)
HSV	hsv(2, 89%, 71%)
CMYK	cmyk(0%, 86.7%, 89.4%, 29.4%)
CIE-LAB	lab(38.56, 58.54, 44.98)
CIE-LCH	lch(38.56, 73.83, 37.54°)
OKLab	oklab(49.3% 0.1657 0.0909)
OKLCH	oklch(49.3% 0.189 28.7)
XYZ	xyz(19.2691, 10.4069, 1.6101)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41813 #13AFB4

analogous

#B4135F #B41813 #B46913

triadic

#B41813 #13B418 #1813B4

tetradic

#B41813 #5FB413 #13AFB4 #6913B4

square

#B41813 #5FB413 #13AFB4 #6913B4

split-complementary

#B41813 #13B469 #135FB4

monochromatic

#450907 #7D110D #B41813 #E7231D #ED5954

Accessibility & contrast

On white

6.82

#B41813 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#B41813 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41813

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41813	#FFFFFF	#000000	##FFFFFF
##B41813	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F450F

Deuteranopia (green-blind)

#746704

Tritanopia (blue-blind)

#C7001A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b41813;
/* rgb */ color: rgb(180, 24, 19);
/* oklch */ color: oklch(49.3% 0.189 28.7);

Tailwind

colors: {
  custom: {
    50: '#d56954',
    500: '#b41813',
    950: '#000000',
  },
}

SCSS

$custom: #b41813;
$custom-light: #d56954;
$custom-dark: #000000;

JSON

{
  "hex": "#b41813",
  "rgb": {
    "r": 180,
    "g": 24,
    "b": 19
  },
  "hsl": {
    "h": 1.863,
    "s": 80.905,
    "l": 39.02
  },
  "oklch": {
    "l": 0.493,
    "c": 0.18896,
    "h": 28.7
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#B41813

secondary

#53CCCF

accent

#F1F730

background

#FEF6F5

surface

#FDECE8

border

#D5C7C4

text

#170703

muted

#857A78

Preview Lab

Preview with #B41813

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

Preview Lab → · Contrast checker → · Palette generator →