#B5315B#B5315B

#B5315B is a mid, vivid pink. Relative luminance 0.128; OKLCH L 52.6% C 0.170 H 6.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B5315B
RGB	rgb(181, 49, 91)
HSL	hsl(341, 57%, 45%)
HSV	hsv(341, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 49.7%, 29%)
CIE-LAB	lab(42.43, 55.36, 7.03)
CIE-LCH	lch(42.43, 55.80, 7.23°)
OKLab	oklab(52.57% 0.1689 0.0184)
OKLCH	oklch(52.57% 0.17 6.2)
XYZ	xyz(22.0446, 12.7787, 11.2012)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5315B #31B58B

analogous

#B5319D #B5315B #B54931

triadic

#B5315B #5BB531 #315BB5

tetradic

#B5315B #9DB531 #31B58B #4931B5

square

#B5315B #9DB531 #31B58B #4931B5

split-complementary

#B5315B #31B549 #319DB5

monochromatic

#55172B #852443 #B5315B #D0537B #DD83A0

Accessibility & contrast

On white

5.91

#B5315B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B5315B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5315B

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5315B	#FFFFFF	#000000	##FFFFFF
##B5315B	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51535C

Deuteranopia (green-blind)

#736E58

Tritanopia (blue-blind)

#C51642

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5315b;
/* rgb */ color: rgb(181, 49, 91);
/* oklch */ color: oklch(52.6% 0.170 6.2);

Tailwind

colors: {
  custom: {
    50: '#d17489',
    500: '#b5315b',
    950: '#000000',
  },
}

SCSS

$custom: #b5315b;
$custom-light: #d17489;
$custom-dark: #000000;

JSON

{
  "hex": "#b5315b",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 91
  },
  "hsl": {
    "h": 340.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52566,
    "c": 0.16994,
    "h": 6.2
  },
  "luminance": 0.12776
}

Semantic roles & 50–950 ramp

primary

#B5315B

secondary

#7BC7AF

accent

#E1B047

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15090B

muted

#837B7C

Preview Lab

Preview with #B5315B

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

Preview Lab → · Contrast checker → · Palette generator →