#B31A4F#B31A4F

#B31A4F is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.2% C 0.186 H 8.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B31A4F
RGB	rgb(179, 26, 79)
HSL	hsl(339, 75%, 40%)
HSV	hsv(339, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 55.9%, 29.8%)
CIE-LAB	lab(39.39, 60.46, 10.28)
CIE-LCH	lch(39.39, 61.33, 9.65°)
OKLab	oklab(50.16% 0.1842 0.0261)
OKLCH	oklch(50.16% 0.186 8.1)
XYZ	xyz(20.3731, 10.8900, 8.4249)
Luminance	0.1089 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A4F #1AB37E

analogous

#B31A9B #B31A4F #B3321A

triadic

#B31A4F #4FB31A #1A4FB3

tetradic

#B31A4F #9BB31A #1AB37E #321AB3

square

#B31A4F #9BB31A #1AB37E #321AB3

split-complementary

#B31A4F #1AB332 #1A9BB3

monochromatic

#480A20 #7E1237 #B31A4F #E02A69 #E8608F

Accessibility & contrast

On white

6.61

#B31A4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B31A4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A4F

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A4F	#FFFFFF	#000000	##FFFFFF
##B31A4F	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474950

Deuteranopia (green-blind)

#6E674B

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a4f;
/* rgb */ color: rgb(179, 26, 79);
/* oklch */ color: oklch(50.2% 0.186 8.1);

Tailwind

colors: {
  custom: {
    50: '#d16b80',
    500: '#b31a4f',
    950: '#000000',
  },
}

SCSS

$custom: #b31a4f;
$custom-light: #d16b80;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a4f",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 79
  },
  "hsl": {
    "h": 339.216,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50163,
    "c": 0.18603,
    "h": 8.1
  },
  "luminance": 0.10887
}

Semantic roles & 50–950 ramp

primary

#B31A4F

secondary

#5DCCA6

accent

#F1B137

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31A4F

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

Preview Lab → · Contrast checker → · Palette generator →