#B73F45#B73F45

#B73F45 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.155 H 21.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B73F45
RGB	rgb(183, 63, 69)
HSL	hsl(357, 49%, 48%)
HSV	hsv(357, 66%, 72%)
CMYK	cmyk(0%, 65.6%, 62.3%, 28.2%)
CIE-LAB	lab(44.31, 48.80, 23.25)
CIE-LCH	lch(44.31, 54.05, 25.47°)
OKLab	oklab(53.88% 0.1445 0.056)
OKLCH	oklch(53.88% 0.155 21.2)
XYZ	xyz(22.3823, 14.0550, 7.1634)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F45 #3FB7B1

analogous

#B73F81 #B73F45 #B7753F

triadic

#B73F45 #45B73F #3F45B7

tetradic

#B73F45 #81B73F #3FB7B1 #753FB7

square

#B73F45 #81B73F #3FB7B1 #753FB7

split-complementary

#B73F45 #3FB775 #3F81B7

monochromatic

#5C2023 #892F34 #B73F45 #CB686D #DB9699

Accessibility & contrast

On white

5.51

#B73F45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B73F45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F45

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F45	#FFFFFF	#000000	##FFFFFF
##B73F45	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)

#5E5944

Deuteranopia (green-blind)

#7C7242

Tritanopia (blue-blind)

#C82442

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b73f45;
/* rgb */ color: rgb(183, 63, 69);
/* oklch */ color: oklch(53.9% 0.155 21.2);

Tailwind

colors: {
  custom: {
    50: '#d37a78',
    500: '#b73f45',
    950: '#000000',
  },
}

SCSS

$custom: #b73f45;
$custom-light: #d37a78;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f45",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 357,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53878,
    "c": 0.155,
    "h": 21.2
  },
  "luminance": 0.14052
}

Semantic roles & 50–950 ramp

primary

#B73F45

secondary

#8BC6C3

accent

#D8D14F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B73F45

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

Preview Lab → · Contrast checker → · Palette generator →