#B41F3F#B41F3F

#B41F3F is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.3% C 0.182 H 15.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B41F3F
RGB	rgb(180, 31, 63)
HSL	hsl(347, 71%, 41%)
HSV	hsv(347, 83%, 71%)
CMYK	cmyk(0%, 82.8%, 65%, 29.4%)
CIE-LAB	lab(39.66, 58.54, 20.84)
CIE-LCH	lch(39.66, 62.14, 19.59°)
OKLab	oklab(50.28% 0.1749 0.05)
OKLCH	oklch(50.28% 0.182 15.9)
XYZ	xyz(20.2118, 11.0453, 5.7694)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41F3F #1FB494

analogous

#B41F8A #B41F3F #B44A1F

triadic

#B41F3F #3FB41F #1F3FB4

tetradic

#B41F3F #8AB41F #1FB494 #4A1FB4

square

#B41F3F #8AB41F #1FB494 #4A1FB4

split-complementary

#B41F3F #1FB44A #1F8AB4

monochromatic

#4C0D1A #80162D #B41F3F #DC3458 #E56883

Accessibility & contrast

On white

6.55

#B41F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B41F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41F3F

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41F3F	#FFFFFF	#000000	##FFFFFF
##B41F3F	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A3F

Deuteranopia (green-blind)

#72683B

Tritanopia (blue-blind)

#C6002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b41f3f;
/* rgb */ color: rgb(180, 31, 63);
/* oklch */ color: oklch(50.3% 0.182 15.9);

Tailwind

colors: {
  custom: {
    50: '#d26c73',
    500: '#b41f3f',
    950: '#000000',
  },
}

SCSS

$custom: #b41f3f;
$custom-light: #d26c73;
$custom-dark: #000000;

JSON

{
  "hex": "#b41f3f",
  "rgb": {
    "r": 180,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 347.114,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50279,
    "c": 0.1819,
    "h": 15.9
  },
  "luminance": 0.11042
}

Semantic roles & 50–950 ramp

primary

#B41F3F

secondary

#64CBB5

accent

#EDC73A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B41F3F

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

Preview Lab → · Contrast checker → · Palette generator →