#B31B74#B31B74

#B31B74 is a mid, vivid pink. Relative luminance 0.116; OKLCH L 51.4% C 0.198 H 351.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B31B74
RGB	rgb(179, 27, 116)
HSL	hsl(325, 74%, 40%)
HSV	hsv(325, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 35.2%, 29.8%)
CIE-LAB	lab(40.62, 63.56, -11.32)
CIE-LCH	lch(40.62, 64.56, 349.90°)
OKLab	oklab(51.44% 0.1954 -0.0293)
OKLCH	oklch(51.44% 0.198 351.5)
XYZ	xyz(22.1361, 11.6313, 17.5990)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B74 #1BB35A

analogous

#A61BB3 #B31B74 #B31B28

triadic

#B31B74 #74B31B #1B74B3

tetradic

#B31B74 #B3A61B #1BB35A #1B28B3

square

#B31B74 #B3A61B #1BB35A #1B28B3

split-complementary

#B31B74 #28B31B #1BB3A6

monochromatic

#490B2F #7E1352 #B31B74 #DF2C95 #E761B0

Accessibility & contrast

On white

6.31

#B31B74 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B31B74 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B74

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B74	#FFFFFF	#000000	##FFFFFF
##B31B74	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4F76

Deuteranopia (green-blind)

#676971

Tritanopia (blue-blind)

#C10247

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b31b74;
/* rgb */ color: rgb(179, 27, 116);
/* oklch */ color: oklch(51.4% 0.198 351.5);

Tailwind

colors: {
  custom: {
    50: '#cf6c9c',
    500: '#b31b74',
    950: '#000000',
  },
}

SCSS

$custom: #b31b74;
$custom-light: #cf6c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b74",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 324.868,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51437,
    "c": 0.19756,
    "h": 351.5
  },
  "luminance": 0.11629
}

Semantic roles & 50–950 ramp

primary

#B31B74

secondary

#5ECC8C

accent

#F08437

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#15080E

muted

#837B7E

Preview Lab

Preview with #B31B74

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

Preview Lab → · Contrast checker → · Palette generator →