#B73E4E#B73E4E

#B73E4E is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.156 H 16.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B73E4E
RGB	rgb(183, 62, 78)
HSL	hsl(352, 49%, 48%)
HSV	hsv(352, 66%, 72%)
CMYK	cmyk(0%, 66.1%, 57.4%, 28.2%)
CIE-LAB	lab(44.33, 49.86, 17.77)
CIE-LCH	lch(44.33, 52.93, 19.62°)
OKLab	oklab(53.95% 0.1495 0.0439)
OKLCH	oklch(53.95% 0.156 16.4)
XYZ	xyz(22.6283, 14.0656, 8.7296)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73E4E #3EB7A7

analogous

#B73E8A #B73E4E #B76A3E

triadic

#B73E4E #4EB73E #3E4EB7

tetradic

#B73E4E #8AB73E #3EB7A7 #6A3EB7

square

#B73E4E #8AB73E #3EB7A7 #6A3EB7

split-complementary

#B73E4E #3EB76A #3E8AB7

monochromatic

#5C1F27 #892F3B #B73E4E #CB6774 #DB949E

Accessibility & contrast

On white

5.51

#B73E4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B73E4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E4E

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73E4E	#FFFFFF	#000000	##FFFFFF
##B73E4E	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594E

Deuteranopia (green-blind)

#7B724B

Tritanopia (blue-blind)

#C82645

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73e4e;
/* rgb */ color: rgb(183, 62, 78);
/* oklch */ color: oklch(53.9% 0.156 16.4);

Tailwind

colors: {
  custom: {
    50: '#d37a7f',
    500: '#b73e4e',
    950: '#000000',
  },
}

SCSS

$custom: #b73e4e;
$custom-light: #d37a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73e4e",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 352.066,
    "s": 49.388,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53946,
    "c": 0.15579,
    "h": 16.4
  },
  "luminance": 0.14063
}

Semantic roles & 50–950 ramp

primary

#B73E4E

secondary

#8AC6BE

accent

#D9C74F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B73E4E

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

Preview Lab → · Contrast checker → · Palette generator →