#B31A4D#B31A4D

#B31A4D is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.1% C 0.186 H 9.0°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#B31A4D
RGB	rgb(179, 26, 77)
HSL	hsl(340, 75%, 40%)
HSV	hsv(340, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 57%, 29.8%)
CIE-LAB	lab(39.35, 60.32, 11.49)
CIE-LCH	lch(39.35, 61.41, 10.79°)
OKLab	oklab(50.11% 0.1834 0.029)
OKLCH	oklch(50.11% 0.186 9)
XYZ	xyz(20.3014, 10.8614, 8.0472)
Luminance	0.1086 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A4D #1AB380

analogous

#B31A99 #B31A4D #B3331A

triadic

#B31A4D #4DB31A #1A4DB3

tetradic

#B31A4D #99B31A #1AB380 #331AB3

square

#B31A4D #99B31A #1AB380 #331AB3

split-complementary

#B31A4D #1AB333 #1A99B3

monochromatic

#480A1F #7E1236 #B31A4D #E02A67 #E8608D

Accessibility & contrast

On white

6.62

#B31A4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B31A4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A4D

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A4D	#FFFFFF	#000000	##FFFFFF
##B31A4D	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48494E

Deuteranopia (green-blind)

#6F6749

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a4d;
/* rgb */ color: rgb(179, 26, 77);
/* oklch */ color: oklch(50.1% 0.186 9.0);

Tailwind

colors: {
  custom: {
    50: '#d16b7e',
    500: '#b31a4d',
    950: '#000000',
  },
}

SCSS

$custom: #b31a4d;
$custom-light: #d16b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a4d",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 77
  },
  "hsl": {
    "h": 340,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50112,
    "c": 0.1857,
    "h": 9
  },
  "luminance": 0.10858
}

Semantic roles & 50–950 ramp

primary

#B31A4D

secondary

#5DCCA7

accent

#F1B337

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31A4D

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

Preview Lab → · Contrast checker → · Palette generator →