#B31A45#B31A45

#B31A45 is a mid, vivid pink. Relative luminance 0.108; OKLCH L 49.9% C 0.185 H 12.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#B31A45
RGB	rgb(179, 26, 69)
HSL	hsl(343, 75%, 40%)
HSV	hsv(343, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 61.5%, 29.8%)
CIE-LAB	lab(39.17, 59.79, 16.35)
CIE-LCH	lch(39.17, 61.99, 15.29°)
OKLab	oklab(49.92% 0.1803 0.0401)
OKLCH	oklch(49.92% 0.185 12.5)
XYZ	xyz(20.0361, 10.7553, 6.6500)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A45 #1AB388

analogous

#B31A92 #B31A45 #B33B1A

triadic

#B31A45 #45B31A #1A45B3

tetradic

#B31A45 #92B31A #1AB388 #3B1AB3

square

#B31A45 #92B31A #1AB388 #3B1AB3

split-complementary

#B31A45 #1AB33B #1A92B3

monochromatic

#480A1C #7E1230 #B31A45 #E02A5D #E86086

Accessibility & contrast

On white

6.67

#B31A45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B31A45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A45

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A45	#FFFFFF	#000000	##FFFFFF
##B31A45	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494845

Deuteranopia (green-blind)

#706741

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b31a45;
/* rgb */ color: rgb(179, 26, 69);
/* oklch */ color: oklch(49.9% 0.185 12.5);

Tailwind

colors: {
  custom: {
    50: '#d16a78',
    500: '#b31a45',
    950: '#000000',
  },
}

SCSS

$custom: #b31a45;
$custom-light: #d16a78;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a45",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 69
  },
  "hsl": {
    "h": 343.137,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4992,
    "c": 0.18471,
    "h": 12.5
  },
  "luminance": 0.10752
}

Semantic roles & 50–950 ramp

primary

#B31A45

secondary

#5DCCAD

accent

#F1BD37

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150808

muted

#837A7B

Preview Lab

Preview with #B31A45

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

Preview Lab → · Contrast checker → · Palette generator →