#B31A51#B31A51

#B31A51 is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.2% C 0.186 H 7.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B31A51
RGB	rgb(179, 26, 81)
HSL	hsl(338, 75%, 40%)
HSV	hsv(338, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 54.7%, 29.8%)
CIE-LAB	lab(39.44, 60.61, 9.08)
CIE-LCH	lch(39.44, 61.28, 8.52°)
OKLab	oklab(50.22% 0.1849 0.0233)
OKLCH	oklch(50.22% 0.186 7.2)
XYZ	xyz(20.4470, 10.9196, 8.8140)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A51 #1AB37C

analogous

#B31A9E #B31A51 #B32F1A

triadic

#B31A51 #51B31A #1A51B3

tetradic

#B31A51 #9EB31A #1AB37C #2F1AB3

square

#B31A51 #9EB31A #1AB37C #2F1AB3

split-complementary

#B31A51 #1AB32F #1A9EB3

monochromatic

#480A21 #7E1239 #B31A51 #E02A6C #E86091

Accessibility & contrast

On white

6.60

#B31A51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B31A51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A51

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A51	#FFFFFF	#000000	##FFFFFF
##B31A51	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)

#474A52

Deuteranopia (green-blind)

#6E684D

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a51;
/* rgb */ color: rgb(179, 26, 81);
/* oklch */ color: oklch(50.2% 0.186 7.2);

Tailwind

colors: {
  custom: {
    50: '#d16b81',
    500: '#b31a51',
    950: '#000000',
  },
}

SCSS

$custom: #b31a51;
$custom-light: #d16b81;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a51",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 338.431,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50216,
    "c": 0.1864,
    "h": 7.2
  },
  "luminance": 0.10917
}

Semantic roles & 50–950 ramp

primary

#B31A51

secondary

#5DCCA4

accent

#F1AE37

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31A51

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

Preview Lab → · Contrast checker → · Palette generator →