#A33A2A#A33A2A

#A33A2A is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.142 H 31.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A33A2A
RGB	rgb(163, 58, 42)
HSL	hsl(8, 59%, 40%)
HSV	hsv(8, 74%, 64%)
CMYK	cmyk(0%, 64.4%, 74.2%, 36.1%)
CIE-LAB	lab(39.55, 42.48, 32.72)
CIE-LCH	lch(39.55, 53.62, 37.61°)
OKLab	oklab(49.51% 0.1216 0.0737)
OKLCH	oklch(49.51% 0.142 31.2)
XYZ	xyz(17.0371, 10.9822, 3.4127)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A2A #2A93A3

analogous

#A32A56 #A33A2A #A3762A

triadic

#A33A2A #2AA33A #3A2AA3

tetradic

#A33A2A #56A32A #2A93A3 #762AA3

square

#A33A2A #56A32A #2A93A3 #762AA3

split-complementary

#A33A2A #2AA376 #2A56A3

monochromatic

#421711 #72291D #A33A2A #CD503D #DA7C6E

Accessibility & contrast

On white

6.57

#A33A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A2A

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A2A	#FFFFFF	#000000	##FFFFFF
##A33A2A	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F28

Deuteranopia (green-blind)

#716627

Tritanopia (blue-blind)

#B32037

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a2a;
/* rgb */ color: rgb(163, 58, 42);
/* oklch */ color: oklch(49.5% 0.142 31.2);

Tailwind

colors: {
  custom: {
    50: '#c67564',
    500: '#a33a2a',
    950: '#000000',
  },
}

SCSS

$custom: #a33a2a;
$custom-light: #c67564;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a2a",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 7.934,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49508,
    "c": 0.14222,
    "h": 31.2
  },
  "luminance": 0.1098
}

Semantic roles & 50–950 ramp

primary

#A33A2A

secondary

#68B5C0

accent

#CEE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33A2A

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

Preview Lab → · Contrast checker → · Palette generator →