#B31651#B31651

#B31651 is a mid, vivid pink. Relative luminance 0.108; OKLCH L 50.0% C 0.189 H 6.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B31651
RGB	rgb(179, 22, 81)
HSL	hsl(337, 78%, 39%)
HSV	hsv(337, 88%, 70%)
CMYK	cmyk(0%, 87.7%, 54.7%, 29.8%)
CIE-LAB	lab(39.16, 61.41, 8.68)
CIE-LCH	lch(39.16, 62.03, 8.05°)
OKLab	oklab(50.01% 0.1876 0.0223)
OKLCH	oklch(50.01% 0.189 6.8)
XYZ	xyz(20.3645, 10.7546, 8.7865)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31651 #16B378

analogous

#B316A0 #B31651 #B32916

triadic

#B31651 #51B316 #1651B3

tetradic

#B31651 #A0B316 #16B378 #2916B3

square

#B31651 #A0B316 #16B378 #2916B3

split-complementary

#B31651 #16B329 #16A0B3

monochromatic

#460920 #7C0F38 #B31651 #E4226B #EB5990

Accessibility & contrast

On white

6.67

#B31651 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B31651 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31651

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31651	#FFFFFF	#000000	##FFFFFF
##B31651	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454952

Deuteranopia (green-blind)

#6D674D

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31651;
/* rgb */ color: rgb(179, 22, 81);
/* oklch */ color: oklch(50.0% 0.189 6.8);

Tailwind

colors: {
  custom: {
    50: '#d16a81',
    500: '#b31651',
    950: '#000000',
  },
}

SCSS

$custom: #b31651;
$custom-light: #d16a81;
$custom-dark: #000000;

JSON

{
  "hex": "#b31651",
  "rgb": {
    "r": 179,
    "g": 22,
    "b": 81
  },
  "hsl": {
    "h": 337.452,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50011,
    "c": 0.18888,
    "h": 6.8
  },
  "luminance": 0.10752
}

Semantic roles & 50–950 ramp

primary

#B31651

secondary

#57CEA1

accent

#F5AC33

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31651

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

Preview Lab → · Contrast checker → · Palette generator →