#B73938#B73938

#B73938 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.163 H 25.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B73938
RGB	rgb(183, 57, 56)
HSL	hsl(0, 53%, 47%)
HSV	hsv(0, 69%, 72%)
CMYK	cmyk(0%, 68.9%, 69.4%, 28.2%)
CIE-LAB	lab(43.19, 50.52, 29.66)
CIE-LCH	lch(43.19, 58.58, 30.42°)
OKLab	oklab(52.97% 0.1474 0.0687)
OKLCH	oklch(52.97% 0.163 25)
XYZ	xyz(21.7077, 13.2822, 5.1613)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73938 #38B6B7

analogous

#B73877 #B73938 #B77838

triadic

#B73938 #38B739 #3938B7

tetradic

#B73938 #77B738 #38B6B7 #7838B7

square

#B73938 #77B738 #38B6B7 #7838B7

split-complementary

#B73938 #38B778 #3877B7

monochromatic

#591C1B #882A2A #B73938 #CE5F5E #DC8E8D

Accessibility & contrast

On white

5.74

#B73938 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B73938 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73938

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73938	#FFFFFF	#000000	##FFFFFF
##B73938	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5537

Deuteranopia (green-blind)

#7C7034

Tritanopia (blue-blind)

#C9143A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73938;
/* rgb */ color: rgb(183, 57, 56);
/* oklch */ color: oklch(53.0% 0.163 25.0);

Tailwind

colors: {
  custom: {
    50: '#d4776f',
    500: '#b73938',
    950: '#000000',
  },
}

SCSS

$custom: #b73938;
$custom-light: #d4776f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73938",
  "rgb": {
    "r": 183,
    "g": 57,
    "b": 56
  },
  "hsl": {
    "h": 0.472,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52968,
    "c": 0.16264,
    "h": 25
  },
  "luminance": 0.13279
}

Semantic roles & 50–950 ramp

primary

#B73938

secondary

#84C6C7

accent

#DBDD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73938

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

Preview Lab → · Contrast checker → · Palette generator →