#B73D3C#B73D3C

#B73D3C is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.158 H 24.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B73D3C
RGB	rgb(183, 61, 60)
HSL	hsl(0, 51%, 48%)
HSV	hsv(0, 67%, 72%)
CMYK	cmyk(0%, 66.7%, 67.2%, 28.2%)
CIE-LAB	lab(43.85, 49.09, 28.08)
CIE-LCH	lch(43.85, 56.56, 29.77°)
OKLab	oklab(53.48% 0.1437 0.0658)
OKLCH	oklch(53.48% 0.158 24.6)
XYZ	xyz(22.0151, 13.7341, 5.7658)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D3C #3CB6B7

analogous

#B73C78 #B73D3C #B77B3C

triadic

#B73D3C #3CB73D #3D3CB7

tetradic

#B73D3C #78B73C #3CB6B7 #7B3CB7

square

#B73D3C #78B73C #3CB6B7 #7B3CB7

split-complementary

#B73D3C #3CB77B #3C78B7

monochromatic

#5B1E1E #892E2D #B73D3C #CC6564 #DB9392

Accessibility & contrast

On white

5.61

#B73D3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73D3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D3C

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D3C	#FFFFFF	#000000	##FFFFFF
##B73D3C	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)

#5E573B

Deuteranopia (green-blind)

#7D7138

Tritanopia (blue-blind)

#C91E3E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73d3c;
/* rgb */ color: rgb(183, 61, 60);
/* oklch */ color: oklch(53.5% 0.158 24.6);

Tailwind

colors: {
  custom: {
    50: '#d47972',
    500: '#b73d3c',
    950: '#000000',
  },
}

SCSS

$custom: #b73d3c;
$custom-light: #d47972;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d3c",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 60
  },
  "hsl": {
    "h": 0.488,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53484,
    "c": 0.15808,
    "h": 24.6
  },
  "luminance": 0.13731
}

Semantic roles & 50–950 ramp

primary

#B73D3C

secondary

#88C6C6

accent

#D9DA4E

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B73D3C

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

Preview Lab → · Contrast checker → · Palette generator →