#B31A4E#B31A4E

#B31A4E is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.1% C 0.186 H 8.5°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#B31A4E
RGB	rgb(179, 26, 78)
HSL	hsl(340, 75%, 40%)
HSV	hsv(340, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 56.4%, 29.8%)
CIE-LAB	lab(39.37, 60.39, 10.89)
CIE-LCH	lch(39.37, 61.37, 10.22°)
OKLab	oklab(50.14% 0.1838 0.0276)
OKLCH	oklch(50.14% 0.186 8.5)
XYZ	xyz(20.3370, 10.8756, 8.2346)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A4E #1AB37F

analogous

#B31A9A #B31A4E #B3331A

triadic

#B31A4E #4EB31A #1A4EB3

tetradic

#B31A4E #9AB31A #1AB37F #331AB3

square

#B31A4E #9AB31A #1AB37F #331AB3

split-complementary

#B31A4E #1AB333 #1A9AB3

monochromatic

#480A1F #7E1237 #B31A4E #E02A68 #E8608E

Accessibility & contrast

On white

6.62

#B31A4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B31A4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A4E

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A4E	#FFFFFF	#000000	##FFFFFF
##B31A4E	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48494F

Deuteranopia (green-blind)

#6E674A

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a4e;
/* rgb */ color: rgb(179, 26, 78);
/* oklch */ color: oklch(50.1% 0.186 8.5);

Tailwind

colors: {
  custom: {
    50: '#d16b7f',
    500: '#b31a4e',
    950: '#000000',
  },
}

SCSS

$custom: #b31a4e;
$custom-light: #d16b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a4e",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 339.608,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50137,
    "c": 0.18586,
    "h": 8.5
  },
  "luminance": 0.10873
}

Semantic roles & 50–950 ramp

primary

#B31A4E

secondary

#5DCCA6

accent

#F1B237

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31A4E

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

Preview Lab → · Contrast checker → · Palette generator →