#B5364B#B5364B

#B5364B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.163 H 15.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B5364B
RGB	rgb(181, 54, 75)
HSL	hsl(350, 54%, 46%)
HSV	hsv(350, 70%, 71%)
CMYK	cmyk(0%, 70.2%, 58.6%, 29%)
CIE-LAB	lab(42.72, 52.23, 17.41)
CIE-LCH	lch(42.72, 55.06, 18.44°)
OKLab	oklab(52.66% 0.1568 0.043)
OKLCH	oklch(52.66% 0.163 15.3)
XYZ	xyz(21.6473, 12.9731, 8.0194)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5364B #36B5A0

analogous

#B5368A #B5364B #B56036

triadic

#B5364B #4BB536 #364BB5

tetradic

#B5364B #8AB536 #36B5A0 #6036B5

square

#B5364B #8AB536 #36B5A0 #6036B5

split-complementary

#B5364B #36B560 #368AB5

monochromatic

#571A24 #862837 #B5364B #CE5A6D #DC8997

Accessibility & contrast

On white

5.84

#B5364B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B5364B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5364B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5364B	#FFFFFF	#000000	##FFFFFF
##B5364B	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57544B

Deuteranopia (green-blind)

#776F48

Tritanopia (blue-blind)

#C6173F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b5364b;
/* rgb */ color: rgb(181, 54, 75);
/* oklch */ color: oklch(52.7% 0.163 15.3);

Tailwind

colors: {
  custom: {
    50: '#d2767d',
    500: '#b5364b',
    950: '#000000',
  },
}

SCSS

$custom: #b5364b;
$custom-light: #d2767d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5364b",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 75
  },
  "hsl": {
    "h": 350.079,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52663,
    "c": 0.16255,
    "h": 15.3
  },
  "luminance": 0.1297
}

Semantic roles & 50–950 ramp

primary

#B5364B

secondary

#81C6BB

accent

#DDC54A

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5364B

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

Preview Lab → · Contrast checker → · Palette generator →