#B41B31#B41B31

#B41B31 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.8% C 0.185 H 20.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B41B31
RGB	rgb(180, 27, 49)
HSL	hsl(351, 74%, 41%)
HSV	hsv(351, 85%, 71%)
CMYK	cmyk(0%, 85%, 72.8%, 29.4%)
CIE-LAB	lab(39.09, 58.79, 28.88)
CIE-LCH	lch(39.09, 65.50, 26.16°)
OKLab	oklab(49.79% 0.1726 0.0659)
OKLCH	oklch(49.79% 0.185 20.9)
XYZ	xyz(19.7711, 10.7121, 3.9318)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41B31 #1BB49E

analogous

#B41B7D #B41B31 #B4521B

triadic

#B41B31 #31B41B #1B31B4

tetradic

#B41B31 #7DB41B #1BB49E #521BB4

square

#B41B31 #7DB41B #1BB49E #521BB4

split-complementary

#B41B31 #1BB452 #1B7DB4

monochromatic

#4A0B14 #7F1323 #B41B31 #DF2D46 #E76275

Accessibility & contrast

On white

6.68

#B41B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B41B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41B31

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41B31	#FFFFFF	#000000	##FFFFFF
##B41B31	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4830

Deuteranopia (green-blind)

#73672C

Tritanopia (blue-blind)

#C60026

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41b31;
/* rgb */ color: rgb(180, 27, 49);
/* oklch */ color: oklch(49.8% 0.185 20.9);

Tailwind

colors: {
  custom: {
    50: '#d36a69',
    500: '#b41b31',
    950: '#000000',
  },
}

SCSS

$custom: #b41b31;
$custom-light: #d36a69;
$custom-dark: #000000;

JSON

{
  "hex": "#b41b31",
  "rgb": {
    "r": 180,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 351.373,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49787,
    "c": 0.18472,
    "h": 20.9
  },
  "luminance": 0.10709
}

Semantic roles & 50–950 ramp

primary

#B41B31

secondary

#5FCCBC

accent

#F1D637

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B41B31

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

Preview Lab → · Contrast checker → · Palette generator →