#B31B6C#B31B6C

#B31B6C is a mid, vivid pink. Relative luminance 0.115; OKLCH L 51.1% C 0.194 H 355.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B31B6C
RGB	rgb(179, 27, 108)
HSL	hsl(328, 74%, 40%)
HSV	hsv(328, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 39.7%, 29.8%)
CIE-LAB	lab(40.33, 62.73, -6.74)
CIE-LCH	lch(40.33, 63.09, 353.86°)
OKLab	oklab(51.13% 0.1933 -0.017)
OKLCH	oklch(51.13% 0.194 355)
XYZ	xyz(21.6907, 11.4531, 15.2529)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B6C #1BB362

analogous

#AE1BB3 #B31B6C #B31B20

triadic

#B31B6C #6CB31B #1B6CB3

tetradic

#B31B6C #B3AE1B #1BB362 #1B20B3

square

#B31B6C #B3AE1B #1BB362 #1B20B3

split-complementary

#B31B6C #20B31B #1BB3AE

monochromatic

#490B2C #7E134C #B31B6C #DF2C8B #E761A9

Accessibility & contrast

On white

6.38

#B31B6C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B31B6C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B6C

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B6C	#FFFFFF	#000000	##FFFFFF
##B31B6C	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4D6E

Deuteranopia (green-blind)

#696969

Tritanopia (blue-blind)

#C20042

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31b6c;
/* rgb */ color: rgb(179, 27, 108);
/* oklch */ color: oklch(51.1% 0.194 355.0);

Tailwind

colors: {
  custom: {
    50: '#cf6c96',
    500: '#b31b6c',
    950: '#000000',
  },
}

SCSS

$custom: #b31b6c;
$custom-light: #cf6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b6c",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 108
  },
  "hsl": {
    "h": 328.026,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51131,
    "c": 0.19401,
    "h": 355
  },
  "luminance": 0.1145
}

Semantic roles & 50–950 ramp

primary

#B31B6C

secondary

#5ECC91

accent

#F08E37

background

#FDF7F9

surface

#FAEDF1

border

#D3C8CB

text

#15080D

muted

#837B7E

Preview Lab

Preview with #B31B6C

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

Preview Lab → · Contrast checker → · Palette generator →