#B5315F#B5315F

#B5315F is a mid, vivid pink. Relative luminance 0.128; OKLCH L 52.7% C 0.171 H 4.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B5315F
RGB	rgb(181, 49, 95)
HSL	hsl(339, 57%, 45%)
HSV	hsv(339, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 47.5%, 29%)
CIE-LAB	lab(42.54, 55.71, 4.68)
CIE-LCH	lch(42.54, 55.91, 4.80°)
OKLab	oklab(52.68% 0.1704 0.0126)
OKLCH	oklch(52.68% 0.171 4.2)
XYZ	xyz(22.2217, 12.8495, 12.1343)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5315F #31B587

analogous

#B531A1 #B5315F #B54531

triadic

#B5315F #5FB531 #315FB5

tetradic

#B5315F #A1B531 #31B587 #4531B5

square

#B5315F #A1B531 #31B587 #4531B5

split-complementary

#B5315F #31B545 #31A1B5

monochromatic

#55172C #852446 #B5315F #D0537F #DD83A2

Accessibility & contrast

On white

5.88

#B5315F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B5315F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5315F

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5315F	#FFFFFF	#000000	##FFFFFF
##B5315F	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505460

Deuteranopia (green-blind)

#736E5C

Tritanopia (blue-blind)

#C51844

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5315f;
/* rgb */ color: rgb(181, 49, 95);
/* oklch */ color: oklch(52.7% 0.171 4.2);

Tailwind

colors: {
  custom: {
    50: '#d1748c',
    500: '#b5315f',
    950: '#000000',
  },
}

SCSS

$custom: #b5315f;
$custom-light: #d1748c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5315f",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 95
  },
  "hsl": {
    "h": 339.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52681,
    "c": 0.17087,
    "h": 4.2
  },
  "luminance": 0.12847
}

Semantic roles & 50–950 ramp

primary

#B5315F

secondary

#7BC7AC

accent

#E1AB47

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15090C

muted

#837B7D

Preview Lab

Preview with #B5315F

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

Preview Lab → · Contrast checker → · Palette generator →