#B5316F#B5316F

#B5316F is a mid, vivid pink. Relative luminance 0.132; OKLCH L 53.2% C 0.176 H 356.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B5316F
RGB	rgb(181, 49, 111)
HSL	hsl(332, 57%, 45%)
HSV	hsv(332, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 38.7%, 29%)
CIE-LAB	lab(43.02, 57.30, -4.58)
CIE-LCH	lch(43.02, 57.48, 355.43°)
OKLab	oklab(53.2% 0.1758 -0.0113)
OKLCH	oklch(53.2% 0.176 356.3)
XYZ	xyz(23.0252, 13.1709, 16.3656)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5316F #31B577

analogous

#B531B1 #B5316F #B53531

triadic

#B5316F #6FB531 #316FB5

tetradic

#B5316F #B1B531 #31B577 #3531B5

square

#B5316F #B1B531 #31B577 #3531B5

split-complementary

#B5316F #31B535 #31B1B5

monochromatic

#551734 #852451 #B5316F #D0538E #DD83AD

Accessibility & contrast

On white

5.78

#B5316F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B5316F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5316F

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5316F	#FFFFFF	#000000	##FFFFFF
##B5316F	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5671

Deuteranopia (green-blind)

#6F6F6C

Tritanopia (blue-blind)

#C4224C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b5316f;
/* rgb */ color: rgb(181, 49, 111);
/* oklch */ color: oklch(53.2% 0.176 356.3);

Tailwind

colors: {
  custom: {
    50: '#d07498',
    500: '#b5316f',
    950: '#000000',
  },
}

SCSS

$custom: #b5316f;
$custom-light: #d07498;
$custom-dark: #000000;

JSON

{
  "hex": "#b5316f",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 111
  },
  "hsl": {
    "h": 331.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53196,
    "c": 0.17616,
    "h": 356.3
  },
  "luminance": 0.13168
}

Semantic roles & 50–950 ramp

primary

#B5316F

secondary

#7BC7A3

accent

#E19947

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#15090D

muted

#837B7E

Preview Lab

Preview with #B5316F

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

Preview Lab → · Contrast checker → · Palette generator →