#A33E33#A33E33

#A33E33 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.136 H 29.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A33E33
RGB	rgb(163, 62, 51)
HSL	hsl(6, 52%, 42%)
HSV	hsv(6, 69%, 64%)
CMYK	cmyk(0%, 62%, 68.7%, 36.1%)
CIE-LAB	lab(40.37, 41.09, 28.40)
CIE-LCH	lch(40.37, 49.95, 34.66°)
OKLab	oklab(50.16% 0.1191 0.066)
OKLCH	oklch(50.16% 0.136 29)
XYZ	xyz(17.4262, 11.4732, 4.4282)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E33 #3398A3

analogous

#A33360 #A33E33 #A37633

triadic

#A33E33 #33A33E #3E33A3

tetradic

#A33E33 #60A333 #3398A3 #7633A3

square

#A33E33 #60A333 #3398A3 #7633A3

split-complementary

#A33E33 #33A376 #3360A3

monochromatic

#461B16 #742C24 #A33E33 #C7584C #D6847B

Accessibility & contrast

On white

6.37

#A33E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E33

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E33	#FFFFFF	#000000	##FFFFFF
##A33E33	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595131

Deuteranopia (green-blind)

#726730

Tritanopia (blue-blind)

#B3283C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e33;
/* rgb */ color: rgb(163, 62, 51);
/* oklch */ color: oklch(50.2% 0.136 29.0);

Tailwind

colors: {
  custom: {
    50: '#c5786b',
    500: '#a33e33',
    950: '#000000',
  },
}

SCSS

$custom: #a33e33;
$custom-light: #c5786b;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e33",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.893,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50161,
    "c": 0.13619,
    "h": 29
  },
  "luminance": 0.11471
}

Semantic roles & 50–950 ramp

primary

#A33E33

secondary

#73B7BE

accent

#CEDC4C

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140906

muted

#827B7A

Preview Lab

Preview with #A33E33

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

Preview Lab → · Contrast checker → · Palette generator →