#B5315E#B5315E

#B5315E is a mid, vivid pink. Relative luminance 0.128; OKLCH L 52.7% C 0.171 H 4.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B5315E
RGB	rgb(181, 49, 94)
HSL	hsl(340, 57%, 45%)
HSV	hsv(340, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 48.1%, 29%)
CIE-LAB	lab(42.51, 55.62, 5.26)
CIE-LCH	lch(42.51, 55.87, 5.41°)
OKLab	oklab(52.65% 0.17 0.014)
OKLCH	oklch(52.65% 0.171 4.7)
XYZ	xyz(22.1766, 12.8315, 11.8964)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5315E #31B588

analogous

#B531A0 #B5315E #B54631

triadic

#B5315E #5EB531 #315EB5

tetradic

#B5315E #A0B531 #31B588 #4631B5

square

#B5315E #A0B531 #31B588 #4631B5

split-complementary

#B5315E #31B546 #31A0B5

monochromatic

#55172C #852445 #B5315E #D0537E #DD83A2

Accessibility & contrast

On white

5.89

#B5315E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B5315E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5315E

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5315E	#FFFFFF	#000000	##FFFFFF
##B5315E	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50545F

Deuteranopia (green-blind)

#736E5B

Tritanopia (blue-blind)

#C51844

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5315e;
/* rgb */ color: rgb(181, 49, 94);
/* oklch */ color: oklch(52.7% 0.171 4.7);

Tailwind

colors: {
  custom: {
    50: '#d1748b',
    500: '#b5315e',
    950: '#000000',
  },
}

SCSS

$custom: #b5315e;
$custom-light: #d1748b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5315e",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 94
  },
  "hsl": {
    "h": 339.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52652,
    "c": 0.17062,
    "h": 4.7
  },
  "luminance": 0.12829
}

Semantic roles & 50–950 ramp

primary

#B5315E

secondary

#7BC7AD

accent

#E1AC47

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15090C

muted

#837B7D

Preview Lab

Preview with #B5315E

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

Preview Lab → · Contrast checker → · Palette generator →