#B31A47#B31A47

#B31A47 is a mid, vivid pink. Relative luminance 0.108; OKLCH L 50.0% C 0.185 H 11.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B31A47
RGB	rgb(179, 26, 71)
HSL	hsl(342, 75%, 40%)
HSV	hsv(342, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 60.3%, 29.8%)
CIE-LAB	lab(39.21, 59.92, 15.13)
CIE-LCH	lch(39.21, 61.80, 14.17°)
OKLab	oklab(49.97% 0.1811 0.0374)
OKLCH	oklch(49.97% 0.185 11.7)
XYZ	xyz(20.0993, 10.7805, 6.9825)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A47 #1AB386

analogous

#B31A93 #B31A47 #B33A1A

triadic

#B31A47 #47B31A #1A47B3

tetradic

#B31A47 #93B31A #1AB386 #3A1AB3

square

#B31A47 #93B31A #1AB386 #3A1AB3

split-complementary

#B31A47 #1AB33A #1A93B3

monochromatic

#480A1D #7E1232 #B31A47 #E02A60 #E86088

Accessibility & contrast

On white

6.66

#B31A47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B31A47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A47

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A47	#FFFFFF	#000000	##FFFFFF
##B31A47	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494948

Deuteranopia (green-blind)

#6F6743

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31a47;
/* rgb */ color: rgb(179, 26, 71);
/* oklch */ color: oklch(50.0% 0.185 11.7);

Tailwind

colors: {
  custom: {
    50: '#d16a79',
    500: '#b31a47',
    950: '#000000',
  },
}

SCSS

$custom: #b31a47;
$custom-light: #d16a79;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a47",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 71
  },
  "hsl": {
    "h": 342.353,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49966,
    "c": 0.18491,
    "h": 11.7
  },
  "luminance": 0.10777
}

Semantic roles & 50–950 ramp

primary

#B31A47

secondary

#5DCCAB

accent

#F1BA37

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31A47

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

Preview Lab → · Contrast checker → · Palette generator →