#A73637#A73637

#A73637 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.149 H 23.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A73637
RGB	rgb(167, 54, 55)
HSL	hsl(359, 51%, 43%)
HSV	hsv(359, 68%, 65%)
CMYK	cmyk(0%, 67.7%, 67.1%, 34.5%)
CIE-LAB	lab(39.80, 46.32, 25.47)
CIE-LCH	lch(39.80, 52.87, 28.81°)
OKLab	oklab(49.89% 0.1359 0.0599)
OKLCH	oklch(49.89% 0.149 23.8)
XYZ	xyz(17.9470, 11.1322, 4.8174)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73637 #36A7A6

analogous

#A7366F #A73637 #A76D36

triadic

#A73637 #37A736 #3637A7

tetradic

#A73637 #6FA736 #36A7A6 #6D36A7

square

#A73637 #6FA736 #36A7A6 #6D36A7

split-complementary

#A73637 #36A76D #366FA7

monochromatic

#4B1819 #792728 #A73637 #C75354 #D68182

Accessibility & contrast

On white

6.51

#A73637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A73637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73637

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73637	#FFFFFF	#000000	##FFFFFF
##A73637	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E36

Deuteranopia (green-blind)

#716734

Tritanopia (blue-blind)

#B71938

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a73637;
/* rgb */ color: rgb(167, 54, 55);
/* oklch */ color: oklch(49.9% 0.149 23.8);

Tailwind

colors: {
  custom: {
    50: '#c8746e',
    500: '#a73637',
    950: '#000000',
  },
}

SCSS

$custom: #a73637;
$custom-light: #c8746e;
$custom-dark: #000000;

JSON

{
  "hex": "#a73637",
  "rgb": {
    "r": 167,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.469,
    "s": 51.131,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49891,
    "c": 0.14854,
    "h": 23.8
  },
  "luminance": 0.1113
}

Semantic roles & 50–950 ramp

primary

#A73637

secondary

#79C0BF

accent

#DBD94D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A73637

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

Preview Lab → · Contrast checker → · Palette generator →