#B41B21#B41B21

#B41B21 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 26.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41B21
RGB	rgb(180, 27, 33)
HSL	hsl(358, 74%, 41%)
HSV	hsv(358, 85%, 71%)
CMYK	cmyk(0%, 85%, 81.7%, 29.4%)
CIE-LAB	lab(38.90, 58.22, 38.13)
CIE-LCH	lch(38.90, 69.59, 33.22°)
OKLab	oklab(49.58% 0.1672 0.0815)
OKLCH	oklch(49.58% 0.186 26)
XYZ	xyz(19.4913, 10.6002, 2.4583)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B21 #1BB4AE

analogous

#B41B6D #B41B21 #B4611B

triadic

#B41B21 #21B41B #1B21B4

tetradic

#B41B21 #6DB41B #1BB4AE #611BB4

square

#B41B21 #6DB41B #1BB4AE #611BB4

split-complementary

#B41B21 #1BB461 #1B6DB4

monochromatic

#4A0B0D #7F1317 #B41B21 #DF2D34 #E76267

Accessibility & contrast

On white

6.73

#B41B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B21

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B21	#FFFFFF	#000000	##FFFFFF
##B41B21	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F471F

Deuteranopia (green-blind)

#746719

Tritanopia (blue-blind)

#C70020

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41b21;
/* rgb */ color: rgb(180, 27, 33);
/* oklch */ color: oklch(49.6% 0.186 26.0);

Tailwind

colors: {
  custom: {
    50: '#d46a5d',
    500: '#b41b21',
    950: '#000000',
  },
}

SCSS

$custom: #b41b21;
$custom-light: #d46a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b21",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 357.647,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49583,
    "c": 0.18601,
    "h": 26
  },
  "luminance": 0.10597
}

Semantic roles & 50–950 ramp

primary

#B41B21

secondary

#5FCCC8

accent

#F1E937

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #B41B21

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

Preview Lab → · Contrast checker → · Palette generator →