#B31A4C#B31A4C

#B31A4C is a mid, vivid pink. Relative luminance 0.108; OKLCH L 50.1% C 0.186 H 9.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B31A4C
RGB	rgb(179, 26, 76)
HSL	hsl(340, 75%, 40%)
HSV	hsv(340, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 57.5%, 29.8%)
CIE-LAB	lab(39.32, 60.25, 12.10)
CIE-LCH	lch(39.32, 61.45, 11.35°)
OKLab	oklab(50.09% 0.183 0.0304)
OKLCH	oklch(50.09% 0.186 9.4)
XYZ	xyz(20.2664, 10.8474, 7.8627)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A4C #1AB381

analogous

#B31A99 #B31A4C #B3341A

triadic

#B31A4C #4CB31A #1A4CB3

tetradic

#B31A4C #99B31A #1AB381 #341AB3

square

#B31A4C #99B31A #1AB381 #341AB3

split-complementary

#B31A4C #1AB334 #1A99B3

monochromatic

#480A1F #7E1235 #B31A4C #E02A66 #E8608C

Accessibility & contrast

On white

6.63

#B31A4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B31A4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A4C

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A4C	#FFFFFF	#000000	##FFFFFF
##B31A4C	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)

#48494D

Deuteranopia (green-blind)

#6F6748

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a4c;
/* rgb */ color: rgb(179, 26, 76);
/* oklch */ color: oklch(50.1% 0.186 9.4);

Tailwind

colors: {
  custom: {
    50: '#d16b7d',
    500: '#b31a4c',
    950: '#000000',
  },
}

SCSS

$custom: #b31a4c;
$custom-light: #d16b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a4c",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 76
  },
  "hsl": {
    "h": 340.392,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50086,
    "c": 0.18554,
    "h": 9.4
  },
  "luminance": 0.10844
}

Semantic roles & 50–950 ramp

primary

#B31A4C

secondary

#5DCCA8

accent

#F1B437

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31A4C

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

Preview Lab → · Contrast checker → · Palette generator →