#B31A5F#B31A5F

#B31A5F is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.6% C 0.190 H 0.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B31A5F
RGB	rgb(179, 26, 95)
HSL	hsl(333, 75%, 40%)
HSV	hsv(333, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 46.9%, 29.8%)
CIE-LAB	lab(39.83, 61.73, 0.73)
CIE-LCH	lch(39.83, 61.74, 0.67°)
OKLab	oklab(50.63% 0.1899 0.0025)
OKLCH	oklch(50.63% 0.19 0.8)
XYZ	xyz(21.0272, 11.1517, 11.8695)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A5F #1AB36E

analogous

#B31AAB #B31A5F #B3211A

triadic

#B31A5F #5FB31A #1A5FB3

tetradic

#B31A5F #ABB31A #1AB36E #211AB3

square

#B31A5F #ABB31A #1AB36E #211AB3

split-complementary

#B31A5F #1AB321 #1AABB3

monochromatic

#480A26 #7E1243 #B31A5F #E02A7C #E8609D

Accessibility & contrast

On white

6.50

#B31A5F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31A5F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A5F

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A5F	#FFFFFF	#000000	##FFFFFF
##B31A5F	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434B60

Deuteranopia (green-blind)

#6B685C

Tritanopia (blue-blind)

#C3003B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a5f;
/* rgb */ color: rgb(179, 26, 95);
/* oklch */ color: oklch(50.6% 0.190 0.8);

Tailwind

colors: {
  custom: {
    50: '#d06b8c',
    500: '#b31a5f',
    950: '#000000',
  },
}

SCSS

$custom: #b31a5f;
$custom-light: #d06b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a5f",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 95
  },
  "hsl": {
    "h": 332.941,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50629,
    "c": 0.18996,
    "h": 0.8
  },
  "luminance": 0.11149
}

Semantic roles & 50–950 ramp

primary

#B31A5F

secondary

#5DCC9A

accent

#F19D37

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31A5F

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

Preview Lab → · Contrast checker → · Palette generator →