#B73435#B73435

#B73435 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.168 H 24.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B73435
RGB	rgb(183, 52, 53)
HSL	hsl(360, 56%, 46%)
HSV	hsv(360, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 71%, 28.2%)
CIE-LAB	lab(42.44, 52.31, 30.55)
CIE-LCH	lch(42.44, 60.58, 30.29°)
OKLab	oklab(52.39% 0.1524 0.0702)
OKLCH	oklch(52.39% 0.168 24.7)
XYZ	xyz(21.4014, 12.7835, 4.7080)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73435 #34B7B6

analogous

#B73476 #B73435 #B77434

triadic

#B73435 #35B734 #3435B7

tetradic

#B73435 #76B734 #34B7B6 #7434B7

square

#B73435 #76B734 #34B7B6 #7434B7

split-complementary

#B73435 #34B774 #3476B7

monochromatic

#581919 #872627 #B73435 #D05959 #DD8889

Accessibility & contrast

On white

5.91

#B73435 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B73435 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73435

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73435	#FFFFFF	#000000	##FFFFFF
##B73435	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595234

Deuteranopia (green-blind)

#7A6E31

Tritanopia (blue-blind)

#C90036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73435;
/* rgb */ color: rgb(183, 52, 53);
/* oklch */ color: oklch(52.4% 0.168 24.7);

Tailwind

colors: {
  custom: {
    50: '#d5756c',
    500: '#b73435',
    950: '#000000',
  },
}

SCSS

$custom: #b73435;
$custom-light: #d5756c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73435",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 53
  },
  "hsl": {
    "h": 359.542,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52394,
    "c": 0.1678,
    "h": 24.7
  },
  "luminance": 0.1278
}

Semantic roles & 50–950 ramp

primary

#B73435

secondary

#80C7C7

accent

#DFDE49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73435

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

Preview Lab → · Contrast checker → · Palette generator →