#A33533#A33533

#A33533 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.146 H 25.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A33533
RGB	rgb(163, 53, 51)
HSL	hsl(1, 52%, 42%)
HSV	hsv(1, 69%, 64%)
CMYK	cmyk(0%, 67.5%, 68.7%, 36.1%)
CIE-LAB	lab(38.85, 45.15, 26.58)
CIE-LCH	lch(38.85, 52.39, 30.49°)
OKLab	oklab(49.03% 0.1319 0.062)
OKLCH	oklch(49.03% 0.146 25.2)
XYZ	xyz(16.9767, 10.5742, 4.2784)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33533 #33A1A3

analogous

#A33369 #A33533 #A36D33

triadic

#A33533 #33A335 #3533A3

tetradic

#A33533 #69A333 #33A1A3 #6D33A3

square

#A33533 #69A333 #33A1A3 #6D33A3

split-complementary

#A33533 #33A36D #3369A3

monochromatic

#461716 #742624 #A33533 #C74E4C #D67C7B

Accessibility & contrast

On white

6.74

#A33533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A33533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33533

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33533	#FFFFFF	#000000	##FFFFFF
##A33533	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C32

Deuteranopia (green-blind)

#6F6430

Tritanopia (blue-blind)

#B31836

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33533;
/* rgb */ color: rgb(163, 53, 51);
/* oklch */ color: oklch(49.0% 0.146 25.2);

Tailwind

colors: {
  custom: {
    50: '#c5736b',
    500: '#a33533',
    950: '#000000',
  },
}

SCSS

$custom: #a33533;
$custom-light: #c5736b;
$custom-dark: #000000;

JSON

{
  "hex": "#a33533",
  "rgb": {
    "r": 163,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 1.071,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49025,
    "c": 0.1457,
    "h": 25.2
  },
  "luminance": 0.10572
}

Semantic roles & 50–950 ramp

primary

#A33533

secondary

#73BDBE

accent

#D9DC4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33533

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

Preview Lab → · Contrast checker → · Palette generator →