#B31A5B#B31A5B

#B31A5B is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.189 H 2.6°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B31A5B
RGB	rgb(179, 26, 91)
HSL	hsl(335, 75%, 40%)
HSV	hsv(335, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 49.2%, 29.8%)
CIE-LAB	lab(39.72, 61.39, 3.09)
CIE-LCH	lch(39.72, 61.47, 2.89°)
OKLab	oklab(50.5% 0.1886 0.0085)
OKLCH	oklch(50.5% 0.189 2.6)
XYZ	xyz(20.8500, 11.0808, 10.9364)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A5B #1AB372

analogous

#B31AA7 #B31A5B #B3261A

triadic

#B31A5B #5BB31A #1A5BB3

tetradic

#B31A5B #A7B31A #1AB372 #261AB3

square

#B31A5B #A7B31A #1AB372 #261AB3

split-complementary

#B31A5B #1AB326 #1AA7B3

monochromatic

#480A25 #7E1240 #B31A5B #E02A77 #E86099

Accessibility & contrast

On white

6.53

#B31A5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31A5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A5B

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A5B	#FFFFFF	#000000	##FFFFFF
##B31A5B	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5C

Deuteranopia (green-blind)

#6C6858

Tritanopia (blue-blind)

#C30039

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a5b;
/* rgb */ color: rgb(179, 26, 91);
/* oklch */ color: oklch(50.5% 0.189 2.6);

Tailwind

colors: {
  custom: {
    50: '#d06b89',
    500: '#b31a5b',
    950: '#000000',
  },
}

SCSS

$custom: #b31a5b;
$custom-light: #d06b89;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a5b",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 334.51,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50503,
    "c": 0.18876,
    "h": 2.6
  },
  "luminance": 0.11078
}

Semantic roles & 50–950 ramp

primary

#B31A5B

secondary

#5DCC9D

accent

#F1A237

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080B

muted

#837A7C

Preview Lab

Preview with #B31A5B

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

Preview Lab → · Contrast checker → · Palette generator →