#A33530#A33530

#A33530 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.146 H 26.6°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A33530
RGB	rgb(163, 53, 48)
HSL	hsl(3, 55%, 41%)
HSV	hsv(3, 71%, 64%)
CMYK	cmyk(0%, 67.5%, 70.6%, 36.1%)
CIE-LAB	lab(38.81, 44.98, 28.34)
CIE-LCH	lch(38.81, 53.17, 32.21°)
OKLab	oklab(48.98% 0.1307 0.0654)
OKLCH	oklch(48.98% 0.146 26.6)
XYZ	xyz(16.9127, 10.5486, 3.9412)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33530 #309EA3

analogous

#A33065 #A33530 #A36F30

triadic

#A33530 #30A335 #3530A3

tetradic

#A33530 #65A330 #309EA3 #6F30A3

square

#A33530 #65A330 #309EA3 #6F30A3

split-complementary

#A33530 #30A36F #3065A3

monochromatic

#441614 #742622 #A33530 #C94D47 #D77B77

Accessibility & contrast

On white

6.75

#A33530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A33530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33530

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33530	#FFFFFF	#000000	##FFFFFF
##A33530	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2F

Deuteranopia (green-blind)

#6F642D

Tritanopia (blue-blind)

#B31735

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33530;
/* rgb */ color: rgb(163, 53, 48);
/* oklch */ color: oklch(49.0% 0.146 26.6);

Tailwind

colors: {
  custom: {
    50: '#c57368',
    500: '#a33530',
    950: '#000000',
  },
}

SCSS

$custom: #a33530;
$custom-light: #c57368;
$custom-dark: #000000;

JSON

{
  "hex": "#a33530",
  "rgb": {
    "r": 163,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.609,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48977,
    "c": 0.14616,
    "h": 26.6
  },
  "luminance": 0.10546
}

Semantic roles & 50–950 ramp

primary

#A33530

secondary

#70BBBF

accent

#D7DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33530

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

Preview Lab → · Contrast checker → · Palette generator →