#B73D40#B73D40

#B73D40 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.158 H 22.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B73D40
RGB	rgb(183, 61, 64)
HSL	hsl(359, 50%, 48%)
HSV	hsv(359, 67%, 72%)
CMYK	cmyk(0%, 66.7%, 65%, 28.2%)
CIE-LAB	lab(43.91, 49.33, 25.76)
CIE-LCH	lch(43.91, 55.65, 27.58°)
OKLab	oklab(53.55% 0.1453 0.0612)
OKLCH	oklch(53.55% 0.158 22.8)
XYZ	xyz(22.1248, 13.7780, 6.3439)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D40 #3DB7B4

analogous

#B73D7D #B73D40 #B7773D

triadic

#B73D40 #40B73D #3D40B7

tetradic

#B73D40 #7DB73D #3DB7B4 #773DB7

square

#B73D40 #7DB73D #3DB7B4 #773DB7

split-complementary

#B73D40 #3DB777 #3D7DB7

monochromatic

#5B1E20 #892E30 #B73D40 #CC6568 #DB9395

Accessibility & contrast

On white

5.59

#B73D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B73D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D40

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D40	#FFFFFF	#000000	##FFFFFF
##B73D40	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573F

Deuteranopia (green-blind)

#7C713D

Tritanopia (blue-blind)

#C91F3F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73d40;
/* rgb */ color: rgb(183, 61, 64);
/* oklch */ color: oklch(53.6% 0.158 22.8);

Tailwind

colors: {
  custom: {
    50: '#d37975',
    500: '#b73d40',
    950: '#000000',
  },
}

SCSS

$custom: #b73d40;
$custom-light: #d37975;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d40",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 358.525,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53552,
    "c": 0.15761,
    "h": 22.8
  },
  "luminance": 0.13775
}

Semantic roles & 50–950 ramp

primary

#B73D40

secondary

#89C6C5

accent

#DAD64E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B73D40

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

Preview Lab → · Contrast checker → · Palette generator →