#A73631#A73631

#A73631 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.149 H 26.6°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A73631
RGB	rgb(167, 54, 49)
HSL	hsl(3, 55%, 42%)
HSV	hsv(3, 71%, 65%)
CMYK	cmyk(0%, 67.7%, 70.7%, 34.5%)
CIE-LAB	lab(39.71, 45.99, 28.99)
CIE-LCH	lch(39.71, 54.36, 32.22°)
OKLab	oklab(49.79% 0.1336 0.0668)
OKLCH	oklch(49.79% 0.149 26.6)
XYZ	xyz(17.8118, 11.0781, 4.1055)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73631 #31A2A7

analogous

#A73167 #A73631 #A77131

triadic

#A73631 #31A736 #3631A7

tetradic

#A73631 #67A731 #31A2A7 #7131A7

square

#A73631 #67A731 #31A2A7 #7131A7

split-complementary

#A73631 #31A771 #3167A7

monochromatic

#481715 #782723 #A73631 #CA504B #D87E7A

Accessibility & contrast

On white

6.53

#A73631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A73631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73631

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73631	#FFFFFF	#000000	##FFFFFF
##A73631	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#71672D

Tritanopia (blue-blind)

#B81736

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a73631;
/* rgb */ color: rgb(167, 54, 49);
/* oklch */ color: oklch(49.8% 0.149 26.6);

Tailwind

colors: {
  custom: {
    50: '#c87469',
    500: '#a73631',
    950: '#000000',
  },
}

SCSS

$custom: #a73631;
$custom-light: #c87469;
$custom-dark: #000000;

JSON

{
  "hex": "#a73631",
  "rgb": {
    "r": 167,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.542,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49794,
    "c": 0.14938,
    "h": 26.6
  },
  "luminance": 0.11076
}

Semantic roles & 50–950 ramp

primary

#A73631

secondary

#73BDC1

accent

#D8DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A73631

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

Preview Lab → · Contrast checker → · Palette generator →