#B73C2C#B73C2C

#B73C2C is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.162 H 30.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B73C2C
RGB	rgb(183, 60, 44)
HSL	hsl(7, 61%, 45%)
HSV	hsv(7, 76%, 72%)
CMYK	cmyk(0%, 67.2%, 76%, 28.2%)
CIE-LAB	lab(43.48, 48.73, 36.93)
CIE-LCH	lch(43.48, 61.14, 37.15°)
OKLab	oklab(53.14% 0.1393 0.0821)
OKLCH	oklch(53.14% 0.162 30.5)
XYZ	xyz(21.6013, 13.4840, 3.8476)
Luminance	0.1348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C2C #2CA7B7

analogous

#B72C62 #B73C2C #B7812C

triadic

#B73C2C #2CB73C #3C2CB7

tetradic

#B73C2C #62B72C #2CA7B7 #812CB7

square

#B73C2C #62B72C #2CA7B7 #812CB7

split-complementary

#B73C2C #2CB781 #2C62B7

monochromatic

#541C14 #862C20 #B73C2C #D45C4C #E0897E

Accessibility & contrast

On white

5.68

#B73C2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B73C2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C2C

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C2C	#FFFFFF	#000000	##FFFFFF
##B73C2C	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5629

Deuteranopia (green-blind)

#7E7127

Tritanopia (blue-blind)

#C91739

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73c2c;
/* rgb */ color: rgb(183, 60, 44);
/* oklch */ color: oklch(53.1% 0.162 30.5);

Tailwind

colors: {
  custom: {
    50: '#d57866',
    500: '#b73c2c',
    950: '#000000',
  },
}

SCSS

$custom: #b73c2c;
$custom-light: #d57866;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c2c",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 44
  },
  "hsl": {
    "h": 6.906,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53142,
    "c": 0.16169,
    "h": 30.5
  },
  "luminance": 0.13481
}

Semantic roles & 50–950 ramp

primary

#B73C2C

secondary

#76BFC8

accent

#D2E443

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73C2C

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

Preview Lab → · Contrast checker → · Palette generator →