#A3333A#A3333A

#A3333A is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.147 H 21.0°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A3333A
RGB	rgb(163, 51, 58)
HSL	hsl(356, 52%, 42%)
HSV	hsv(356, 69%, 64%)
CMYK	cmyk(0%, 68.7%, 64.4%, 36.1%)
CIE-LAB	lab(38.66, 46.41, 22.04)
CIE-LCH	lch(38.66, 51.37, 25.40°)
OKLab	oklab(48.92% 0.1373 0.0527)
OKLCH	oklch(48.92% 0.147 21)
XYZ	xyz(17.0535, 10.4621, 5.1236)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3333A #33A39C

analogous

#A33372 #A3333A #A36433

triadic

#A3333A #3AA333 #333AA3

tetradic

#A3333A #72A333 #33A39C #6433A3

square

#A3333A #72A333 #33A39C #6433A3

split-complementary

#A3333A #33A364 #3372A3

monochromatic

#461619 #742429 #A3333A #C74C54 #D67B80

Accessibility & contrast

On white

6.79

#A3333A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A3333A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3333A

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3333A	#FFFFFF	#000000	##FFFFFF
##A3333A	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C39

Deuteranopia (green-blind)

#6D6437

Tritanopia (blue-blind)

#B31736

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a3333a;
/* rgb */ color: rgb(163, 51, 58);
/* oklch */ color: oklch(48.9% 0.147 21.0);

Tailwind

colors: {
  custom: {
    50: '#c57270',
    500: '#a3333a',
    950: '#000000',
  },
}

SCSS

$custom: #a3333a;
$custom-light: #c57270;
$custom-dark: #000000;

JSON

{
  "hex": "#a3333a",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 58
  },
  "hsl": {
    "h": 356.25,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48916,
    "c": 0.14707,
    "h": 21
  },
  "luminance": 0.1046
}

Semantic roles & 50–950 ramp

primary

#A3333A

secondary

#73BEBA

accent

#DCD34C

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A3333A

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

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