#B31747#B31747

#B31747 is a mid, vivid pink. Relative luminance 0.107; OKLCH L 49.8% C 0.187 H 11.3°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#B31747
RGB	rgb(179, 23, 71)
HSL	hsl(342, 77%, 40%)
HSV	hsv(342, 87%, 70%)
CMYK	cmyk(0%, 87.2%, 60.3%, 29.8%)
CIE-LAB	lab(38.99, 60.54, 14.84)
CIE-LCH	lch(38.99, 62.33, 13.77°)
OKLab	oklab(49.81% 0.1831 0.0367)
OKLCH	oklch(49.81% 0.187 11.3)
XYZ	xyz(20.0363, 10.6545, 6.9615)
Luminance	0.1065 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31747 #17B383

analogous

#B31795 #B31747 #B33517

triadic

#B31747 #47B317 #1747B3

tetradic

#B31747 #95B317 #17B383 #3517B3

square

#B31747 #95B317 #17B383 #3517B3

split-complementary

#B31747 #17B335 #1795B3

monochromatic

#47091C #7D1031 #B31747 #E3245F #EA5B87

Accessibility & contrast

On white

6.71

#B31747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B31747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31747

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31747	#FFFFFF	#000000	##FFFFFF
##B31747	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484848

Deuteranopia (green-blind)

#6F6743

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31747;
/* rgb */ color: rgb(179, 23, 71);
/* oklch */ color: oklch(49.8% 0.187 11.3);

Tailwind

colors: {
  custom: {
    50: '#d16a79',
    500: '#b31747',
    950: '#000000',
  },
}

SCSS

$custom: #b31747;
$custom-light: #d16a79;
$custom-dark: #000000;

JSON

{
  "hex": "#b31747",
  "rgb": {
    "r": 179,
    "g": 23,
    "b": 71
  },
  "hsl": {
    "h": 341.538,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49807,
    "c": 0.18674,
    "h": 11.3
  },
  "luminance": 0.10651
}

Semantic roles & 50–950 ramp

primary

#B31747

secondary

#58CDA9

accent

#F4B934

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150709

muted

#837A7B

Preview Lab

Preview with #B31747

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

Preview Lab → · Contrast checker → · Palette generator →