#B73534#B73534

#B73534 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.167 H 25.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B73534
RGB	rgb(183, 53, 52)
HSL	hsl(0, 56%, 46%)
HSV	hsv(0, 72%, 72%)
CMYK	cmyk(0%, 71%, 71.6%, 28.2%)
CIE-LAB	lab(42.56, 51.88, 31.29)
CIE-LCH	lch(42.56, 60.59, 31.09°)
OKLab	oklab(52.48% 0.1509 0.0716)
OKLCH	oklch(52.48% 0.167 25.4)
XYZ	xyz(21.4237, 12.8646, 4.6032)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73534 #34B6B7

analogous

#B73474 #B73534 #B77634

triadic

#B73534 #34B735 #3534B7

tetradic

#B73534 #74B734 #34B6B7 #7634B7

square

#B73534 #74B734 #34B6B7 #7634B7

split-complementary

#B73534 #34B776 #3474B7

monochromatic

#581919 #872726 #B73534 #D05959 #DD8988

Accessibility & contrast

On white

5.88

#B73534 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B73534 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73534

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73534	#FFFFFF	#000000	##FFFFFF
##B73534	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5333

Deuteranopia (green-blind)

#7B6F30

Tritanopia (blue-blind)

#C90436

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73534;
/* rgb */ color: rgb(183, 53, 52);
/* oklch */ color: oklch(52.5% 0.167 25.4);

Tailwind

colors: {
  custom: {
    50: '#d5756c',
    500: '#b73534',
    950: '#000000',
  },
}

SCSS

$custom: #b73534;
$custom-light: #d5756c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73534",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 52
  },
  "hsl": {
    "h": 0.458,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52481,
    "c": 0.16699,
    "h": 25.4
  },
  "luminance": 0.12861
}

Semantic roles & 50–950 ramp

primary

#B73534

secondary

#80C7C7

accent

#DEDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73534

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

Preview Lab → · Contrast checker → · Palette generator →