#B31A5A#B31A5A

#B31A5A is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.188 H 3.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B31A5A
RGB	rgb(179, 26, 90)
HSL	hsl(335, 75%, 40%)
HSV	hsv(335, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 49.7%, 29.8%)
CIE-LAB	lab(39.69, 61.31, 3.69)
CIE-LCH	lch(39.69, 61.42, 3.44°)
OKLab	oklab(50.47% 0.1882 0.01)
OKLCH	oklch(50.47% 0.188 3.1)
XYZ	xyz(20.8071, 11.0637, 10.7107)
Luminance	0.1106 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A5A #1AB373

analogous

#B31AA6 #B31A5A #B3271A

triadic

#B31A5A #5AB31A #1A5AB3

tetradic

#B31A5A #A6B31A #1AB373 #271AB3

square

#B31A5A #A6B31A #1AB373 #271AB3

split-complementary

#B31A5A #1AB327 #1AA6B3

monochromatic

#480A24 #7E123F #B31A5A #E02A76 #E86099

Accessibility & contrast

On white

6.54

#B31A5A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B31A5A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A5A

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A5A	#FFFFFF	#000000	##FFFFFF
##B31A5A	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5B

Deuteranopia (green-blind)

#6C6856

Tritanopia (blue-blind)

#C30039

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a5a;
/* rgb */ color: rgb(179, 26, 90);
/* oklch */ color: oklch(50.5% 0.188 3.1);

Tailwind

colors: {
  custom: {
    50: '#d06b88',
    500: '#b31a5a',
    950: '#000000',
  },
}

SCSS

$custom: #b31a5a;
$custom-light: #d06b88;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a5a",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 90
  },
  "hsl": {
    "h": 334.902,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50473,
    "c": 0.18849,
    "h": 3.1
  },
  "luminance": 0.11061
}

Semantic roles & 50–950 ramp

primary

#B31A5A

secondary

#5DCC9D

accent

#F1A337

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080B

muted

#837A7C

Preview Lab

Preview with #B31A5A

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

Preview Lab → · Contrast checker → · Palette generator →