#B73634#B73634

#B73634 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.166 H 25.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B73634
RGB	rgb(183, 54, 52)
HSL	hsl(1, 56%, 46%)
HSV	hsv(1, 72%, 72%)
CMYK	cmyk(0%, 70.5%, 71.6%, 28.2%)
CIE-LAB	lab(42.70, 51.50, 31.45)
CIE-LCH	lch(42.70, 60.35, 31.41°)
OKLab	oklab(52.59% 0.1497 0.072)
OKLCH	oklch(52.59% 0.166 25.7)
XYZ	xyz(21.4698, 12.9567, 4.6185)
Luminance	0.1295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73634 #34B5B7

analogous

#B73473 #B73634 #B77734

triadic

#B73634 #34B736 #3634B7

tetradic

#B73634 #73B734 #34B5B7 #7734B7

square

#B73634 #73B734 #34B5B7 #7734B7

split-complementary

#B73634 #34B777 #3473B7

monochromatic

#581A19 #872826 #B73634 #D05A59 #DD8988

Accessibility & contrast

On white

5.85

#B73634 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B73634 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73634

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73634	#FFFFFF	#000000	##FFFFFF
##B73634	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5333

Deuteranopia (green-blind)

#7B6F30

Tritanopia (blue-blind)

#C90737

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73634;
/* rgb */ color: rgb(183, 54, 52);
/* oklch */ color: oklch(52.6% 0.166 25.7);

Tailwind

colors: {
  custom: {
    50: '#d5766c',
    500: '#b73634',
    950: '#000000',
  },
}

SCSS

$custom: #b73634;
$custom-light: #d5766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73634",
  "rgb": {
    "r": 183,
    "g": 54,
    "b": 52
  },
  "hsl": {
    "h": 0.916,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52585,
    "c": 0.16605,
    "h": 25.7
  },
  "luminance": 0.12954
}

Semantic roles & 50–950 ramp

primary

#B73634

secondary

#80C6C7

accent

#DDDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73634

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

Preview Lab → · Contrast checker → · Palette generator →