#A73D1B#A73D1B

#A73D1B is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.147 H 37.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#A73D1B
RGB	rgb(167, 61, 27)
HSL	hsl(15, 72%, 38%)
HSV	hsv(15, 84%, 65%)
CMYK	cmyk(0%, 63.5%, 83.8%, 34.5%)
CIE-LAB	lab(40.63, 42.00, 41.99)
CIE-LCH	lch(40.63, 59.39, 45.00°)
OKLab	oklab(50.41% 0.1169 0.0892)
OKLCH	oklch(50.41% 0.147 37.4)
XYZ	xyz(17.8049, 11.6347, 2.3449)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73D1B #1B85A7

analogous

#A71B3F #A73D1B #A7831B

triadic

#A73D1B #1BA73D #3D1BA7

tetradic

#A73D1B #3FA71B #1B85A7 #831BA7

square

#A73D1B #3FA71B #1B85A7 #831BA7

split-complementary

#A73D1B #1BA783 #1B3FA7

monochromatic

#3E170A #722A12 #A73D1B #DC5024 #E47A58

Accessibility & contrast

On white

6.31

#A73D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A73D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73D1B

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73D1B	#FFFFFF	#000000	##FFFFFF
##A73D1B	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5116

Deuteranopia (green-blind)

#766916

Tritanopia (blue-blind)

#B82036

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a73d1b;
/* rgb */ color: rgb(167, 61, 27);
/* oklch */ color: oklch(50.4% 0.147 37.4);

Tailwind

colors: {
  custom: {
    50: '#c9775b',
    500: '#a73d1b',
    950: '#000000',
  },
}

SCSS

$custom: #a73d1b;
$custom-light: #c9775b;
$custom-dark: #000000;

JSON

{
  "hex": "#a73d1b",
  "rgb": {
    "r": 167,
    "g": 61,
    "b": 27
  },
  "hsl": {
    "h": 14.571,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.50409,
    "c": 0.14708,
    "h": 37.4
  },
  "luminance": 0.11632
}

Semantic roles & 50–950 ramp

primary

#A73D1B

secondary

#56ACC8

accent

#C3EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73D1B

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

Preview Lab → · Contrast checker → · Palette generator →