#A33337#A33337

#A33337 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.147 H 22.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A33337
RGB	rgb(163, 51, 55)
HSL	hsl(358, 52%, 42%)
HSV	hsv(358, 69%, 64%)
CMYK	cmyk(0%, 68.7%, 66.3%, 36.1%)
CIE-LAB	lab(38.61, 46.22, 23.83)
CIE-LCH	lch(38.61, 52.00, 27.27°)
OKLab	oklab(48.86% 0.1361 0.0564)
OKLCH	oklch(48.86% 0.147 22.5)
XYZ	xyz(16.9794, 10.4324, 4.7333)
Luminance	0.1043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33337 #33A39F

analogous

#A3336F #A33337 #A36733

triadic

#A33337 #37A333 #3337A3

tetradic

#A33337 #6FA333 #33A39F #6733A3

square

#A33337 #6FA333 #33A39F #6733A3

split-complementary

#A33337 #33A367 #336FA3

monochromatic

#461618 #742427 #A33337 #C74C51 #D67B7E

Accessibility & contrast

On white

6.80

#A33337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A33337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33337

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33337	#FFFFFF	#000000	##FFFFFF
##A33337	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C36

Deuteranopia (green-blind)

#6D6434

Tritanopia (blue-blind)

#B31535

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33337;
/* rgb */ color: rgb(163, 51, 55);
/* oklch */ color: oklch(48.9% 0.147 22.5);

Tailwind

colors: {
  custom: {
    50: '#c5726d',
    500: '#a33337',
    950: '#000000',
  },
}

SCSS

$custom: #a33337;
$custom-light: #c5726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33337",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 357.857,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48861,
    "c": 0.14733,
    "h": 22.5
  },
  "luminance": 0.1043
}

Semantic roles & 50–950 ramp

primary

#A33337

secondary

#73BEBC

accent

#DCD74C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33337

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

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