#B73C45#B73C45

#B73C45 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.158 H 20.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B73C45
RGB	rgb(183, 60, 69)
HSL	hsl(356, 51%, 48%)
HSV	hsv(356, 67%, 72%)
CMYK	cmyk(0%, 67.2%, 62.3%, 28.2%)
CIE-LAB	lab(43.85, 50.06, 22.65)
CIE-LCH	lch(43.85, 54.95, 24.34°)
OKLab	oklab(53.53% 0.1485 0.0546)
OKLCH	oklch(53.53% 0.158 20.2)
XYZ	xyz(22.2207, 13.7318, 7.1095)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C45 #3CB7AE

analogous

#B73C82 #B73C45 #B7713C

triadic

#B73C45 #45B73C #3C45B7

tetradic

#B73C45 #82B73C #3CB7AE #713CB7

square

#B73C45 #82B73C #3CB7AE #713CB7

split-complementary

#B73C45 #3CB771 #3C82B7

monochromatic

#5B1E22 #892D34 #B73C45 #CC646C #DB9297

Accessibility & contrast

On white

5.61

#B73C45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73C45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C45

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C45	#FFFFFF	#000000	##FFFFFF
##B73C45	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5744

Deuteranopia (green-blind)

#7B7142

Tritanopia (blue-blind)

#C81F40

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73c45;
/* rgb */ color: rgb(183, 60, 69);
/* oklch */ color: oklch(53.5% 0.158 20.2);

Tailwind

colors: {
  custom: {
    50: '#d37978',
    500: '#b73c45',
    950: '#000000',
  },
}

SCSS

$custom: #b73c45;
$custom-light: #d37978;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c45",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 69
  },
  "hsl": {
    "h": 355.61,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5353,
    "c": 0.15827,
    "h": 20.2
  },
  "luminance": 0.13729
}

Semantic roles & 50–950 ramp

primary

#B73C45

secondary

#88C6C2

accent

#DAD04E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B73C45

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

Preview Lab → · Contrast checker → · Palette generator →