#A3333C#A3333C

#A3333C is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.147 H 20.0°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A3333C
RGB	rgb(163, 51, 60)
HSL	hsl(355, 52%, 42%)
HSV	hsv(355, 69%, 64%)
CMYK	cmyk(0%, 68.7%, 63.2%, 36.1%)
CIE-LAB	lab(38.70, 46.54, 20.84)
CIE-LCH	lch(38.70, 50.99, 24.12°)
OKLab	oklab(48.96% 0.1381 0.0502)
OKLCH	oklch(48.96% 0.147 20)
XYZ	xyz(17.1054, 10.4828, 5.3968)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3333C #33A39A

analogous

#A33374 #A3333C #A36233

triadic

#A3333C #3CA333 #333CA3

tetradic

#A3333C #74A333 #33A39A #6233A3

square

#A3333C #74A333 #33A39A #6233A3

split-complementary

#A3333C #33A362 #3374A3

monochromatic

#46161A #74242B #A3333C #C74C56 #D67B82

Accessibility & contrast

On white

6.78

#A3333C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A3333C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3333C

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3333C	#FFFFFF	#000000	##FFFFFF
##A3333C	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C3C

Deuteranopia (green-blind)

#6D6439

Tritanopia (blue-blind)

#B31737

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a3333c;
/* rgb */ color: rgb(163, 51, 60);
/* oklch */ color: oklch(49.0% 0.147 20.0);

Tailwind

colors: {
  custom: {
    50: '#c57271',
    500: '#a3333c',
    950: '#000000',
  },
}

SCSS

$custom: #a3333c;
$custom-light: #c57271;
$custom-dark: #000000;

JSON

{
  "hex": "#a3333c",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 60
  },
  "hsl": {
    "h": 355.179,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48955,
    "c": 0.14693,
    "h": 20
  },
  "luminance": 0.1048
}

Semantic roles & 50–950 ramp

primary

#A3333C

secondary

#73BEB8

accent

#DCD04C

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A3333C

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

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