#B31A4B#B31A4B

#B31A4B is a mid, vivid pink. Relative luminance 0.108; OKLCH L 50.1% C 0.185 H 9.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B31A4B
RGB	rgb(179, 26, 75)
HSL	hsl(341, 75%, 40%)
HSV	hsv(341, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 58.1%, 29.8%)
CIE-LAB	lab(39.30, 60.18, 12.70)
CIE-LCH	lch(39.30, 61.51, 11.92°)
OKLab	oklab(50.06% 0.1827 0.0318)
OKLCH	oklch(50.06% 0.185 9.9)
XYZ	xyz(20.2319, 10.8336, 7.6810)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A4B #1AB382

analogous

#B31A98 #B31A4B #B3351A

triadic

#B31A4B #4BB31A #1A4BB3

tetradic

#B31A4B #98B31A #1AB382 #351AB3

square

#B31A4B #98B31A #1AB382 #351AB3

split-complementary

#B31A4B #1AB335 #1A98B3

monochromatic

#480A1E #7E1235 #B31A4B #E02A64 #E8608B

Accessibility & contrast

On white

6.63

#B31A4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B31A4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A4B

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A4B	#FFFFFF	#000000	##FFFFFF
##B31A4B	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48494C

Deuteranopia (green-blind)

#6F6747

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a4b;
/* rgb */ color: rgb(179, 26, 75);
/* oklch */ color: oklch(50.1% 0.185 9.9);

Tailwind

colors: {
  custom: {
    50: '#d16b7c',
    500: '#b31a4b',
    950: '#000000',
  },
}

SCSS

$custom: #b31a4b;
$custom-light: #d16b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a4b",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 75
  },
  "hsl": {
    "h": 340.784,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50062,
    "c": 0.1854,
    "h": 9.9
  },
  "luminance": 0.1083
}

Semantic roles & 50–950 ramp

primary

#B31A4B

secondary

#5DCCA8

accent

#F1B537

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31A4B

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

Preview Lab → · Contrast checker → · Palette generator →