#B31D4E#B31D4E

#B31D4E is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.184 H 8.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B31D4E
RGB	rgb(179, 29, 78)
HSL	hsl(340, 72%, 41%)
HSV	hsv(340, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 56.4%, 29.8%)
CIE-LAB	lab(39.61, 59.72, 11.22)
CIE-LCH	lch(39.61, 60.76, 10.64°)
OKLab	oklab(50.31% 0.1816 0.0284)
OKLCH	oklch(50.31% 0.184 8.9)
XYZ	xyz(20.4070, 11.0155, 8.2579)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D4E #1DB382

analogous

#B31D99 #B31D4E #B3371D

triadic

#B31D4E #4EB31D #1D4EB3

tetradic

#B31D4E #99B31D #1DB382 #371DB3

square

#B31D4E #99B31D #1DB382 #371DB3

split-complementary

#B31D4E #1DB337 #1D99B3

monochromatic

#4A0C20 #7E1437 #B31D4E #DD3068 #E6648F

Accessibility & contrast

On white

6.56

#B31D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D4E

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D4E	#FFFFFF	#000000	##FFFFFF
##B31D4E	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4F

Deuteranopia (green-blind)

#6F684A

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31d4e;
/* rgb */ color: rgb(179, 29, 78);
/* oklch */ color: oklch(50.3% 0.184 8.9);

Tailwind

colors: {
  custom: {
    50: '#d16c7f',
    500: '#b31d4e',
    950: '#000000',
  },
}

SCSS

$custom: #b31d4e;
$custom-light: #d16c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d4e",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 340.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50311,
    "c": 0.18381,
    "h": 8.9
  },
  "luminance": 0.11012
}

Semantic roles & 50–950 ramp

primary

#B31D4E

secondary

#61CBA8

accent

#EFB339

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31D4E

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

Preview Lab → · Contrast checker → · Palette generator →