#A73A33#A73A33

#A73A33 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.145 H 27.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A73A33
RGB	rgb(167, 58, 51)
HSL	hsl(4, 53%, 43%)
HSV	hsv(4, 69%, 65%)
CMYK	cmyk(0%, 65.3%, 69.5%, 34.5%)
CIE-LAB	lab(40.38, 44.36, 28.59)
CIE-LCH	lch(40.38, 52.78, 32.80°)
OKLab	oklab(50.31% 0.1289 0.0663)
OKLCH	oklch(50.31% 0.145 27.2)
XYZ	xyz(18.0488, 11.4832, 4.3974)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73A33 #33A0A7

analogous

#A73366 #A73A33 #A77433

triadic

#A73A33 #33A73A #3A33A7

tetradic

#A73A33 #66A733 #33A0A7 #7433A7

square

#A73A33 #66A733 #33A0A7 #7433A7

split-complementary

#A73A33 #33A774 #3366A7

monochromatic

#491916 #782A25 #A73A33 #C9564E #D7837D

Accessibility & contrast

On white

6.37

#A73A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A73A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73A33

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73A33	#FFFFFF	#000000	##FFFFFF
##A73A33	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585031

Deuteranopia (green-blind)

#736830

Tritanopia (blue-blind)

#B71F39

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73a33;
/* rgb */ color: rgb(167, 58, 51);
/* oklch */ color: oklch(50.3% 0.145 27.2);

Tailwind

colors: {
  custom: {
    50: '#c8766b',
    500: '#a73a33',
    950: '#000000',
  },
}

SCSS

$custom: #a73a33;
$custom-light: #c8766b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73a33",
  "rgb": {
    "r": 167,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 3.621,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50306,
    "c": 0.14494,
    "h": 27.2
  },
  "luminance": 0.11481
}

Semantic roles & 50–950 ramp

primary

#A73A33

secondary

#76BCC0

accent

#D4DD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A73A33

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

Preview Lab → · Contrast checker → · Palette generator →