#A73B22#A73B22

#A73B22 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.147 H 34.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A73B22
RGB	rgb(167, 59, 34)
HSL	hsl(11, 66%, 39%)
HSV	hsv(11, 80%, 65%)
CMYK	cmyk(0%, 64.7%, 79.6%, 34.5%)
CIE-LAB	lab(40.35, 43.14, 38.20)
CIE-LCH	lch(40.35, 57.62, 41.52°)
OKLab	oklab(50.22% 0.1217 0.0832)
OKLCH	oklch(50.22% 0.147 34.4)
XYZ	xyz(17.7910, 11.4615, 2.7885)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73B22 #228EA7

analogous

#A7224C #A73B22 #A77E22

triadic

#A73B22 #22A73B #3B22A7

tetradic

#A73B22 #4CA722 #228EA7 #7E22A7

square

#A73B22 #4CA722 #228EA7 #7E22A7

split-complementary

#A73B22 #22A77E #224CA7

monochromatic

#41170D #742918 #A73B22 #D55031 #DF7B64

Accessibility & contrast

On white

6.38

#A73B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A73B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73B22

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73B22	#FFFFFF	#000000	##FFFFFF
##A73B22	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501E

Deuteranopia (green-blind)

#74681E

Tritanopia (blue-blind)

#B81E36

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73b22;
/* rgb */ color: rgb(167, 59, 34);
/* oklch */ color: oklch(50.2% 0.147 34.4);

Tailwind

colors: {
  custom: {
    50: '#c9765f',
    500: '#a73b22',
    950: '#000000',
  },
}

SCSS

$custom: #a73b22;
$custom-light: #c9765f;
$custom-dark: #000000;

JSON

{
  "hex": "#a73b22",
  "rgb": {
    "r": 167,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 11.278,
    "s": 66.169,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50215,
    "c": 0.14741,
    "h": 34.4
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary

#A73B22

secondary

#60B2C5

accent

#C9E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73B22

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

Preview Lab → · Contrast checker → · Palette generator →