#A33339#A33339

#A33339 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.147 H 21.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A33339
RGB	rgb(163, 51, 57)
HSL	hsl(357, 52%, 42%)
HSV	hsv(357, 69%, 64%)
CMYK	cmyk(0%, 68.7%, 65%, 36.1%)
CIE-LAB	lab(38.64, 46.34, 22.63)
CIE-LCH	lch(38.64, 51.58, 26.03°)
OKLab	oklab(48.9% 0.1369 0.054)
OKLCH	oklch(48.9% 0.147 21.5)
XYZ	xyz(17.0283, 10.4520, 4.9909)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33339 #33A39D

analogous

#A33371 #A33339 #A36533

triadic

#A33339 #39A333 #3339A3

tetradic

#A33339 #71A333 #33A39D #6533A3

square

#A33339 #71A333 #33A39D #6533A3

split-complementary

#A33339 #33A365 #3371A3

monochromatic

#461618 #742429 #A33339 #C74C53 #D67B80

Accessibility & contrast

On white

6.80

#A33339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A33339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33339

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33339	#FFFFFF	#000000	##FFFFFF
##A33339	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)

#514C38

Deuteranopia (green-blind)

#6D6436

Tritanopia (blue-blind)

#B31636

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33339;
/* rgb */ color: rgb(163, 51, 57);
/* oklch */ color: oklch(48.9% 0.147 21.5);

Tailwind

colors: {
  custom: {
    50: '#c5726f',
    500: '#a33339',
    950: '#000000',
  },
}

SCSS

$custom: #a33339;
$custom-light: #c5726f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33339",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 356.786,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48897,
    "c": 0.14715,
    "h": 21.5
  },
  "luminance": 0.1045
}

Semantic roles & 50–950 ramp

primary

#A33339

secondary

#73BEBA

accent

#DCD44C

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A33339

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

Preview Lab → · Contrast checker → · Palette generator →