#B5315A#B5315A

#B5315A is a mid, vivid pink. Relative luminance 0.128; OKLCH L 52.5% C 0.170 H 6.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B5315A
RGB	rgb(181, 49, 90)
HSL	hsl(341, 57%, 45%)
HSV	hsv(341, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 50.3%, 29%)
CIE-LAB	lab(42.40, 55.27, 7.61)
CIE-LCH	lch(42.40, 55.79, 7.84°)
OKLab	oklab(52.54% 0.1686 0.0198)
OKLCH	oklch(52.54% 0.17 6.7)
XYZ	xyz(22.0017, 12.7615, 10.9755)
Luminance	0.1276 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5315A #31B58C

analogous

#B5319C #B5315A #B54A31

triadic

#B5315A #5AB531 #315AB5

tetradic

#B5315A #9CB531 #31B58C #4A31B5

square

#B5315A #9CB531 #31B58C #4A31B5

split-complementary

#B5315A #31B54A #319CB5

monochromatic

#55172A #852442 #B5315A #D0537A #DD839F

Accessibility & contrast

On white

5.91

#B5315A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B5315A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5315A

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5315A	#FFFFFF	#000000	##FFFFFF
##B5315A	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51535B

Deuteranopia (green-blind)

#736E57

Tritanopia (blue-blind)

#C51542

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5315a;
/* rgb */ color: rgb(181, 49, 90);
/* oklch */ color: oklch(52.5% 0.170 6.7);

Tailwind

colors: {
  custom: {
    50: '#d17488',
    500: '#b5315a',
    950: '#000000',
  },
}

SCSS

$custom: #b5315a;
$custom-light: #d17488;
$custom-dark: #000000;

JSON

{
  "hex": "#b5315a",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 90
  },
  "hsl": {
    "h": 341.364,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52538,
    "c": 0.16972,
    "h": 6.7
  },
  "luminance": 0.12759
}

Semantic roles & 50–950 ramp

primary

#B5315A

secondary

#7BC7AF

accent

#E1B147

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15090B

muted

#837B7C

Preview Lab

Preview with #B5315A

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

Preview Lab → · Contrast checker → · Palette generator →