#B5364A#B5364A

#B5364A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.163 H 15.8°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B5364A
RGB	rgb(181, 54, 74)
HSL	hsl(351, 54%, 46%)
HSV	hsv(351, 70%, 71%)
CMYK	cmyk(0%, 70.2%, 59.1%, 29%)
CIE-LAB	lab(42.70, 52.16, 18.00)
CIE-LCH	lch(42.70, 55.18, 19.04°)
OKLab	oklab(52.64% 0.1564 0.0443)
OKLCH	oklch(52.64% 0.163 15.8)
XYZ	xyz(21.6133, 12.9595, 7.8406)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5364A #36B5A1

analogous

#B53689 #B5364A #B56136

triadic

#B5364A #4AB536 #364AB5

tetradic

#B5364A #89B536 #36B5A1 #6136B5

square

#B5364A #89B536 #36B5A1 #6136B5

split-complementary

#B5364A #36B561 #3689B5

monochromatic

#571A23 #862837 #B5364A #CE5A6D #DC8996

Accessibility & contrast

On white

5.85

#B5364A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B5364A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5364A

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5364A	#FFFFFF	#000000	##FFFFFF
##B5364A	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57544A

Deuteranopia (green-blind)

#776F47

Tritanopia (blue-blind)

#C6163E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b5364a;
/* rgb */ color: rgb(181, 54, 74);
/* oklch */ color: oklch(52.6% 0.163 15.8);

Tailwind

colors: {
  custom: {
    50: '#d2767c',
    500: '#b5364a',
    950: '#000000',
  },
}

SCSS

$custom: #b5364a;
$custom-light: #d2767c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5364a",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 74
  },
  "hsl": {
    "h": 350.551,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52641,
    "c": 0.16253,
    "h": 15.8
  },
  "luminance": 0.12957
}

Semantic roles & 50–950 ramp

primary

#B5364A

secondary

#81C6BB

accent

#DDC64A

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5364A

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

Preview Lab → · Contrast checker → · Palette generator →