#B73734#B73734

#B73734 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.165 H 26.0°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B73734
RGB	rgb(183, 55, 52)
HSL	hsl(1, 56%, 46%)
HSV	hsv(1, 72%, 72%)
CMYK	cmyk(0%, 69.9%, 71.6%, 28.2%)
CIE-LAB	lab(42.84, 51.11, 31.62)
CIE-LCH	lch(42.84, 60.10, 31.74°)
OKLab	oklab(52.69% 0.1484 0.0723)
OKLCH	oklch(52.69% 0.165 26)
XYZ	xyz(21.5168, 13.0508, 4.6342)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73734 #34B4B7

analogous

#B73472 #B73734 #B77834

triadic

#B73734 #34B737 #3734B7

tetradic

#B73734 #72B734 #34B4B7 #7834B7

square

#B73734 #72B734 #34B4B7 #7834B7

split-complementary

#B73734 #34B778 #3472B7

monochromatic

#581A19 #872926 #B73734 #D05B59 #DD8A88

Accessibility & contrast

On white

5.82

#B73734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B73734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73734

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73734	#FFFFFF	#000000	##FFFFFF
##B73734	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5432

Deuteranopia (green-blind)

#7B6F30

Tritanopia (blue-blind)

#C90B38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73734;
/* rgb */ color: rgb(183, 55, 52);
/* oklch */ color: oklch(52.7% 0.165 26.0);

Tailwind

colors: {
  custom: {
    50: '#d5766c',
    500: '#b73734',
    950: '#000000',
  },
}

SCSS

$custom: #b73734;
$custom-light: #d5766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b73734",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.374,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52691,
    "c": 0.1651,
    "h": 26
  },
  "luminance": 0.13048
}

Semantic roles & 50–950 ramp

primary

#B73734

secondary

#80C6C7

accent

#DCDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73734

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

Preview Lab → · Contrast checker → · Palette generator →