#B5364D#B5364D

#B5364D is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.163 H 14.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B5364D
RGB	rgb(181, 54, 77)
HSL	hsl(349, 54%, 46%)
HSV	hsv(349, 70%, 71%)
CMYK	cmyk(0%, 70.2%, 57.5%, 29%)
CIE-LAB	lab(42.76, 52.38, 16.23)
CIE-LCH	lch(42.76, 54.83, 17.21°)
OKLab	oklab(52.71% 0.1576 0.0403)
OKLCH	oklch(52.71% 0.163 14.3)
XYZ	xyz(21.7168, 13.0009, 8.3856)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5364D #36B59E

analogous

#B5368C #B5364D #B55E36

triadic

#B5364D #4DB536 #364DB5

tetradic

#B5364D #8CB536 #36B59E #5E36B5

square

#B5364D #8CB536 #36B59E #5E36B5

split-complementary

#B5364D #36B55E #368CB5

monochromatic

#571A25 #862839 #B5364D #CE5A6F #DC8998

Accessibility & contrast

On white

5.83

#B5364D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B5364D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5364D

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5364D	#FFFFFF	#000000	##FFFFFF
##B5364D	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56544D

Deuteranopia (green-blind)

#776F4A

Tritanopia (blue-blind)

#C6183F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b5364d;
/* rgb */ color: rgb(181, 54, 77);
/* oklch */ color: oklch(52.7% 0.163 14.3);

Tailwind

colors: {
  custom: {
    50: '#d1767e',
    500: '#b5364d',
    950: '#000000',
  },
}

SCSS

$custom: #b5364d;
$custom-light: #d1767e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5364d",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 77
  },
  "hsl": {
    "h": 349.134,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52708,
    "c": 0.16263,
    "h": 14.3
  },
  "luminance": 0.12998
}

Semantic roles & 50–950 ramp

primary

#B5364D

secondary

#81C6BA

accent

#DDC34A

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B5364D

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

Preview Lab → · Contrast checker → · Palette generator →