#B31748#B31748

#B31748 is a mid, vivid pink. Relative luminance 0.107; OKLCH L 49.8% C 0.187 H 10.9°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B31748
RGB	rgb(179, 23, 72)
HSL	hsl(341, 77%, 40%)
HSV	hsv(341, 87%, 70%)
CMYK	cmyk(0%, 87.2%, 59.8%, 29.8%)
CIE-LAB	lab(39.01, 60.60, 14.23)
CIE-LCH	lch(39.01, 62.25, 13.22°)
OKLab	oklab(49.83% 0.1835 0.0353)
OKLCH	oklch(49.83% 0.187 10.9)
XYZ	xyz(20.0686, 10.6675, 7.1320)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31748 #17B382

analogous

#B31796 #B31748 #B33417

triadic

#B31748 #48B317 #1748B3

tetradic

#B31748 #96B317 #17B382 #3417B3

square

#B31748 #96B317 #17B382 #3417B3

split-complementary

#B31748 #17B334 #1796B3

monochromatic

#47091C #7D1032 #B31748 #E32460 #EA5B88

Accessibility & contrast

On white

6.70

#B31748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B31748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31748

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31748	#FFFFFF	#000000	##FFFFFF
##B31748	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484849

Deuteranopia (green-blind)

#6F6744

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31748;
/* rgb */ color: rgb(179, 23, 72);
/* oklch */ color: oklch(49.8% 0.187 10.9);

Tailwind

colors: {
  custom: {
    50: '#d16a7a',
    500: '#b31748',
    950: '#000000',
  },
}

SCSS

$custom: #b31748;
$custom-light: #d16a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b31748",
  "rgb": {
    "r": 179,
    "g": 23,
    "b": 72
  },
  "hsl": {
    "h": 341.154,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49831,
    "c": 0.18686,
    "h": 10.9
  },
  "luminance": 0.10664
}

Semantic roles & 50–950 ramp

primary

#B31748

secondary

#58CDA9

accent

#F4B834

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150709

muted

#837A7B

Preview Lab

Preview with #B31748

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

Preview Lab → · Contrast checker → · Palette generator →