#B73550#B73550

#B73550 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.166 H 12.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B73550
RGB	rgb(183, 53, 80)
HSL	hsl(348, 55%, 46%)
HSV	hsv(348, 71%, 72%)
CMYK	cmyk(0%, 71%, 56.3%, 28.2%)
CIE-LAB	lab(43.06, 53.61, 14.82)
CIE-LCH	lch(43.06, 55.62, 15.45°)
OKLab	oklab(53.01% 0.1618 0.0371)
OKLCH	oklch(53.01% 0.166 12.9)
XYZ	xyz(22.2516, 13.1958, 8.9632)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73550 #35B79C

analogous

#B73591 #B73550 #B75B35

triadic

#B73550 #50B735 #3550B7

tetradic

#B73550 #91B735 #35B79C #5B35B7

square

#B73550 #91B735 #35B79C #5B35B7

split-complementary

#B73550 #35B75B #3591B7

monochromatic

#581A27 #88273B #B73550 #CF5A72 #DD899B

Accessibility & contrast

On white

5.77

#B73550 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B73550 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73550

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73550	#FFFFFF	#000000	##FFFFFF
##B73550	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565550

Deuteranopia (green-blind)

#786F4D

Tritanopia (blue-blind)

#C81640

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73550;
/* rgb */ color: rgb(183, 53, 80);
/* oklch */ color: oklch(53.0% 0.166 12.9);

Tailwind

colors: {
  custom: {
    50: '#d37680',
    500: '#b73550',
    950: '#000000',
  },
}

SCSS

$custom: #b73550;
$custom-light: #d37680;
$custom-dark: #000000;

JSON

{
  "hex": "#b73550",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 80
  },
  "hsl": {
    "h": 347.538,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53013,
    "c": 0.16594,
    "h": 12.9
  },
  "luminance": 0.13193
}

Semantic roles & 50–950 ramp

primary

#B73550

secondary

#81C7B8

accent

#DEBF49

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73550

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

Preview Lab → · Contrast checker → · Palette generator →