#A73337#A73337

#A73337 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.152 H 22.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#A73337
RGB	rgb(167, 51, 55)
HSL	hsl(358, 53%, 43%)
HSV	hsv(358, 69%, 65%)
CMYK	cmyk(0%, 69.5%, 67.1%, 34.5%)
CIE-LAB	lab(39.35, 47.57, 24.91)
CIE-LCH	lch(39.35, 53.69, 27.64°)
OKLab	oklab(49.55% 0.1399 0.0587)
OKLCH	oklch(49.55% 0.152 22.8)
XYZ	xyz(17.8116, 10.8615, 4.7723)
Luminance	0.1086 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73337 #33A7A3

analogous

#A73371 #A73337 #A76933

triadic

#A73337 #37A733 #3337A7

tetradic

#A73337 #71A733 #33A7A3 #6933A7

square

#A73337 #71A733 #33A7A3 #6933A7

split-complementary

#A73337 #33A769 #3371A7

monochromatic

#491618 #782528 #A73337 #C94E52 #D77D80

Accessibility & contrast

On white

6.62

#A73337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A73337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73337

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73337	#FFFFFF	#000000	##FFFFFF
##A73337	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#B71236

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a73337;
/* rgb */ color: rgb(167, 51, 55);
/* oklch */ color: oklch(49.5% 0.152 22.8);

Tailwind

colors: {
  custom: {
    50: '#c8726d',
    500: '#a73337',
    950: '#000000',
  },
}

SCSS

$custom: #a73337;
$custom-light: #c8726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a73337",
  "rgb": {
    "r": 167,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 357.931,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4955,
    "c": 0.15166,
    "h": 22.8
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#A73337

secondary

#76C0BE

accent

#DDD84B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A73337

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

Preview Lab → · Contrast checker → · Palette generator →