#B73643#B73643

#B73643 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.165 H 19.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B73643
RGB	rgb(183, 54, 67)
HSL	hsl(354, 54%, 46%)
HSV	hsv(354, 70%, 72%)
CMYK	cmyk(0%, 70.5%, 63.4%, 28.2%)
CIE-LAB	lab(42.93, 52.33, 22.70)
CIE-LCH	lch(42.93, 57.04, 23.45°)
OKLab	oklab(52.84% 0.1554 0.0545)
OKLCH	oklch(52.84% 0.165 19.3)
XYZ	xyz(21.8630, 13.1140, 6.6891)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73643 #36B7AA

analogous

#B73684 #B73643 #B76936

triadic

#B73643 #43B736 #3643B7

tetradic

#B73643 #84B736 #36B7AA #6936B7

square

#B73643 #84B736 #36B7AA #6936B7

split-complementary

#B73643 #36B769 #3684B7

monochromatic

#581A20 #882832 #B73643 #CF5B67 #DD8B93

Accessibility & contrast

On white

5.80

#B73643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B73643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73643

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73643	#FFFFFF	#000000	##FFFFFF
##B73643	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595443

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C9113C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73643;
/* rgb */ color: rgb(183, 54, 67);
/* oklch */ color: oklch(52.8% 0.165 19.3);

Tailwind

colors: {
  custom: {
    50: '#d47677',
    500: '#b73643',
    950: '#000000',
  },
}

SCSS

$custom: #b73643;
$custom-light: #d47677;
$custom-dark: #000000;

JSON

{
  "hex": "#b73643",
  "rgb": {
    "r": 183,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.953,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52838,
    "c": 0.16467,
    "h": 19.3
  },
  "luminance": 0.13111
}

Semantic roles & 50–950 ramp

primary

#B73643

secondary

#82C7C0

accent

#DECF4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B73643

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

Preview Lab → · Contrast checker → · Palette generator →