#B31F58#B31F58

#B31F58 is a mid, vivid pink. Relative luminance 0.113; OKLCH L 50.7% C 0.184 H 4.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B31F58
RGB	rgb(179, 31, 88)
HSL	hsl(337, 70%, 41%)
HSV	hsv(337, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 50.8%, 29.8%)
CIE-LAB	lab(40.03, 60.00, 5.46)
CIE-LCH	lch(40.03, 60.24, 5.20°)
OKLab	oklab(50.71% 0.1838 0.0144)
OKLCH	oklch(50.71% 0.184 4.5)
XYZ	xyz(20.8437, 11.2712, 10.3086)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31F58 #1FB37A

analogous

#B31FA2 #B31F58 #B3301F

triadic

#B31F58 #58B31F #1F58B3

tetradic

#B31F58 #A2B31F #1FB37A #301FB3

square

#B31F58 #A2B31F #1FB37A #301FB3

split-complementary

#B31F58 #1FB330 #1FA2B3

monochromatic

#4B0D25 #7F163E #B31F58 #DC3374 #E56898

Accessibility & contrast

On white

6.45

#B31F58 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31F58 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31F58

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31F58	#FFFFFF	#000000	##FFFFFF
##B31F58	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474C59

Deuteranopia (green-blind)

#6E6955

Tritanopia (blue-blind)

#C30039

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31f58;
/* rgb */ color: rgb(179, 31, 88);
/* oklch */ color: oklch(50.7% 0.184 4.5);

Tailwind

colors: {
  custom: {
    50: '#d06c86',
    500: '#b31f58',
    950: '#000000',
  },
}

SCSS

$custom: #b31f58;
$custom-light: #d06c86;
$custom-dark: #000000;

JSON

{
  "hex": "#b31f58",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 88
  },
  "hsl": {
    "h": 336.892,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50708,
    "c": 0.18435,
    "h": 4.5
  },
  "luminance": 0.11268
}

Semantic roles & 50–950 ramp

primary

#B31F58

secondary

#64CAA3

accent

#EDA83B

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31F58

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

Preview Lab → · Contrast checker → · Palette generator →