#A73031#A73031

#A73031 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.155 H 24.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A73031
RGB	rgb(167, 48, 49)
HSL	hsl(359, 55%, 42%)
HSV	hsv(359, 71%, 65%)
CMYK	cmyk(0%, 71.3%, 70.7%, 34.5%)
CIE-LAB	lab(38.82, 48.43, 27.93)
CIE-LCH	lch(38.82, 55.91, 29.97°)
OKLab	oklab(49.13% 0.1413 0.0645)
OKLCH	oklch(49.13% 0.155 24.5)
XYZ	xyz(17.5496, 10.5537, 4.0181)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73031 #30A7A6

analogous

#A7306C #A73031 #A76B30

triadic

#A73031 #31A730 #3031A7

tetradic

#A73031 #6CA730 #30A7A6 #6B30A7

square

#A73031 #6CA730 #30A7A6 #6B30A7

split-complementary

#A73031 #30A76B #306CA7

monochromatic

#481515 #772223 #A73031 #CB494A #D8797A

Accessibility & contrast

On white

6.75

#A73031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A73031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73031

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73031	#FFFFFF	#000000	##FFFFFF
##A73031	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B30

Deuteranopia (green-blind)

#6F652D

Tritanopia (blue-blind)

#B80632

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a73031;
/* rgb */ color: rgb(167, 48, 49);
/* oklch */ color: oklch(49.1% 0.155 24.5);

Tailwind

colors: {
  custom: {
    50: '#c97169',
    500: '#a73031',
    950: '#000000',
  },
}

SCSS

$custom: #a73031;
$custom-light: #c97169;
$custom-dark: #000000;

JSON

{
  "hex": "#a73031",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.496,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49126,
    "c": 0.15533,
    "h": 24.5
  },
  "luminance": 0.10551
}

Semantic roles & 50–950 ramp

primary

#A73031

secondary

#72C1C0

accent

#DFDD49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #A73031

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

Preview Lab → · Contrast checker → · Palette generator →