#B41F31#B41F31

#B41F31 is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.182 H 21.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B41F31
RGB	rgb(180, 31, 49)
HSL	hsl(353, 71%, 41%)
HSV	hsv(353, 83%, 71%)
CMYK	cmyk(0%, 82.8%, 72.8%, 29.4%)
CIE-LAB	lab(39.43, 57.84, 29.27)
CIE-LCH	lch(39.43, 64.83, 26.84°)
OKLab	oklab(50.03% 0.1695 0.0667)
OKLCH	oklch(50.03% 0.182 21.5)
XYZ	xyz(19.8691, 10.9082, 3.9644)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F31 #1FB4A2

analogous

#B41F7C #B41F31 #B4581F

triadic

#B41F31 #31B41F #1F31B4

tetradic

#B41F31 #7CB41F #1FB4A2 #581FB4

square

#B41F31 #7CB41F #1FB4A2 #581FB4

split-complementary

#B41F31 #1FB458 #1F7CB4

monochromatic

#4C0D15 #801623 #B41F31 #DC3448 #E56877

Accessibility & contrast

On white

6.60

#B41F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B41F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F31

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F31	#FFFFFF	#000000	##FFFFFF
##B41F31	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4930

Deuteranopia (green-blind)

#73682C

Tritanopia (blue-blind)

#C60028

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b41f31;
/* rgb */ color: rgb(180, 31, 49);
/* oklch */ color: oklch(50.0% 0.182 21.5);

Tailwind

colors: {
  custom: {
    50: '#d36c69',
    500: '#b41f31',
    950: '#000000',
  },
}

SCSS

$custom: #b41f31;
$custom-light: #d36c69;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f31",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 352.752,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50034,
    "c": 0.18219,
    "h": 21.5
  },
  "luminance": 0.10905
}

Semantic roles & 50–950 ramp

primary

#B41F31

secondary

#64CBBE

accent

#EDD83A

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B41F31

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

Preview Lab → · Contrast checker → · Palette generator →