#A73333#A73333

#A73333 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.152 H 24.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A73333
RGB	rgb(167, 51, 51)
HSL	hsl(0, 53%, 43%)
HSV	hsv(0, 69%, 65%)
CMYK	cmyk(0%, 69.5%, 69.5%, 34.5%)
CIE-LAB	lab(39.28, 47.34, 27.27)
CIE-LCH	lch(39.28, 54.64, 29.95°)
OKLab	oklab(49.48% 0.1383 0.0634)
OKLCH	oklch(49.48% 0.152 24.6)
XYZ	xyz(17.7196, 10.8247, 4.2877)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73333 #33A7A7

analogous

#A7336D #A73333 #A76D33

triadic

#A73333 #33A733 #3333A7

tetradic

#A73333 #6DA733 #33A7A7 #6D33A7

square

#A73333 #6DA733 #33A7A7 #6D33A7

split-complementary

#A73333 #33A76D #336DA7

monochromatic

#491616 #782525 #A73333 #C94E4E #D77D7D

Accessibility & contrast

On white

6.64

#A73333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A73333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73333

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73333	#FFFFFF	#000000	##FFFFFF
##A73333	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D32

Deuteranopia (green-blind)

#70662F

Tritanopia (blue-blind)

#B81134

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a73333;
/* rgb */ color: rgb(167, 51, 51);
/* oklch */ color: oklch(49.5% 0.152 24.6);

Tailwind

colors: {
  custom: {
    50: '#c8726b',
    500: '#a73333',
    950: '#000000',
  },
}

SCSS

$custom: #a73333;
$custom-light: #c8726b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73333",
  "rgb": {
    "r": 167,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49483,
    "c": 0.15212,
    "h": 24.6
  },
  "luminance": 0.10822
}

Semantic roles & 50–950 ramp

primary

#A73333

secondary

#76C0C0

accent

#DDDD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A73333

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

Preview Lab → · Contrast checker → · Palette generator →