#B73C2D#B73C2D

#B73C2D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.162 H 30.2°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B73C2D
RGB	rgb(183, 60, 45)
HSL	hsl(7, 61%, 45%)
HSV	hsv(7, 75%, 72%)
CMYK	cmyk(0%, 67.2%, 75.4%, 28.2%)
CIE-LAB	lab(43.49, 48.78, 36.38)
CIE-LCH	lch(43.49, 60.85, 36.72°)
OKLab	oklab(53.15% 0.1396 0.0812)
OKLCH	oklch(53.15% 0.162 30.2)
XYZ	xyz(21.6204, 13.4916, 3.9478)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73C2D #2DA8B7

analogous

#B72D63 #B73C2D #B7812D

triadic

#B73C2D #2DB73C #3C2DB7

tetradic

#B73C2D #63B72D #2DA8B7 #812DB7

square

#B73C2D #63B72D #2DA8B7 #812DB7

split-complementary

#B73C2D #2DB781 #2D63B7

monochromatic

#551C15 #862C21 #B73C2D #D35C4E #DF897F

Accessibility & contrast

On white

5.68

#B73C2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B73C2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73C2D

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73C2D	#FFFFFF	#000000	##FFFFFF
##B73C2D	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)

#5F562A

Deuteranopia (green-blind)

#7D7129

Tritanopia (blue-blind)

#C91739

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73c2d;
/* rgb */ color: rgb(183, 60, 45);
/* oklch */ color: oklch(53.2% 0.162 30.2);

Tailwind

colors: {
  custom: {
    50: '#d57867',
    500: '#b73c2d',
    950: '#000000',
  },
}

SCSS

$custom: #b73c2d;
$custom-light: #d57867;
$custom-dark: #000000;

JSON

{
  "hex": "#b73c2d",
  "rgb": {
    "r": 183,
    "g": 60,
    "b": 45
  },
  "hsl": {
    "h": 6.522,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53154,
    "c": 0.1615,
    "h": 30.2
  },
  "luminance": 0.13488
}

Semantic roles & 50–950 ramp

primary

#B73C2D

secondary

#78BFC8

accent

#D2E444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73C2D

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

Preview Lab → · Contrast checker → · Palette generator →