#B31A55#B31A55

#B31A55 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.187 H 5.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B31A55
RGB	rgb(179, 26, 85)
HSL	hsl(337, 75%, 40%)
HSV	hsv(337, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 52.5%, 29.8%)
CIE-LAB	lab(39.55, 60.91, 6.67)
CIE-LCH	lch(39.55, 61.28, 6.25°)
OKLab	oklab(50.33% 0.1864 0.0174)
OKLCH	oklch(50.33% 0.187 5.3)
XYZ	xyz(20.6014, 10.9814, 9.6274)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A55 #1AB378

analogous

#B31AA1 #B31A55 #B32C1A

triadic

#B31A55 #55B31A #1A55B3

tetradic

#B31A55 #A1B31A #1AB378 #2C1AB3

square

#B31A55 #A1B31A #1AB378 #2C1AB3

split-complementary

#B31A55 #1AB32C #1AA1B3

monochromatic

#480A22 #7E123C #B31A55 #E02A70 #E86094

Accessibility & contrast

On white

6.57

#B31A55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31A55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A55

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A55	#FFFFFF	#000000	##FFFFFF
##B31A55	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464A56

Deuteranopia (green-blind)

#6D6851

Tritanopia (blue-blind)

#C40036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a55;
/* rgb */ color: rgb(179, 26, 85);
/* oklch */ color: oklch(50.3% 0.187 5.3);

Tailwind

colors: {
  custom: {
    50: '#d06b84',
    500: '#b31a55',
    950: '#000000',
  },
}

SCSS

$custom: #b31a55;
$custom-light: #d06b84;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a55",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 85
  },
  "hsl": {
    "h": 336.863,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50327,
    "c": 0.18724,
    "h": 5.3
  },
  "luminance": 0.10978
}

Semantic roles & 50–950 ramp

primary

#B31A55

secondary

#5DCCA1

accent

#F1A937

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31A55

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

Preview Lab → · Contrast checker → · Palette generator →