#A73B33#A73B33

#A73B33 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.144 H 27.6°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#A73B33
RGB	rgb(167, 59, 51)
HSL	hsl(4, 53%, 43%)
HSV	hsv(4, 69%, 65%)
CMYK	cmyk(0%, 64.7%, 69.5%, 34.5%)
CIE-LAB	lab(40.55, 43.92, 28.79)
CIE-LCH	lch(40.55, 52.51, 33.25°)
OKLab	oklab(50.43% 0.1275 0.0667)
OKLCH	oklch(50.43% 0.144 27.6)
XYZ	xyz(18.0997, 11.5850, 4.4144)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73B33 #339FA7

analogous

#A73365 #A73B33 #A77533

triadic

#A73B33 #33A73B #3B33A7

tetradic

#A73B33 #65A733 #339FA7 #7533A7

square

#A73B33 #65A733 #339FA7 #7533A7

split-complementary

#A73B33 #33A775 #3365A7

monochromatic

#491A16 #782A25 #A73B33 #C9574E #D7837D

Accessibility & contrast

On white

6.33

#A73B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#A73B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73B33

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73B33	#FFFFFF	#000000	##FFFFFF
##A73B33	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585131

Deuteranopia (green-blind)

#736830

Tritanopia (blue-blind)

#B7213A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a73b33;
/* rgb */ color: rgb(167, 59, 51);
/* oklch */ color: oklch(50.4% 0.144 27.6);

Tailwind

colors: {
  custom: {
    50: '#c8766b',
    500: '#a73b33',
    950: '#000000',
  },
}

SCSS

$custom: #a73b33;
$custom-light: #c8766b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73b33",
  "rgb": {
    "r": 167,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 4.138,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50431,
    "c": 0.1439,
    "h": 27.6
  },
  "luminance": 0.11582
}

Semantic roles & 50–950 ramp

primary

#A73B33

secondary

#76BBC0

accent

#D3DD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A73B33

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

Preview Lab → · Contrast checker → · Palette generator →