#A73A1D#A73A1D

#A73A1D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.149 H 35.5°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#A73A1D
RGB	rgb(167, 58, 29)
HSL	hsl(13, 70%, 38%)
HSV	hsv(13, 83%, 65%)
CMYK	cmyk(0%, 65.3%, 82.6%, 34.5%)
CIE-LAB	lab(40.14, 43.42, 40.56)
CIE-LCH	lch(40.14, 59.42, 43.05°)
OKLab	oklab(50.04% 0.1216 0.0868)
OKLCH	oklch(50.04% 0.149 35.5)
XYZ	xyz(17.6732, 11.3329, 2.4190)
Luminance	0.1133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73A1D #1D8AA7

analogous

#A71D45 #A73A1D #A77F1D

triadic

#A73A1D #1DA73A #3A1DA7

tetradic

#A73A1D #45A71D #1D8AA7 #7F1DA7

square

#A73A1D #45A71D #1D8AA7 #7F1DA7

split-complementary

#A73A1D #1DA77F #1D45A7

monochromatic

#3F160B #732814 #A73A1D #DA4D28 #E3785C

Accessibility & contrast

On white

6.43

#A73A1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A73A1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73A1D

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73A1D	#FFFFFF	#000000	##FFFFFF
##A73A1D	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F18

Deuteranopia (green-blind)

#746818

Tritanopia (blue-blind)

#B81B34

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73a1d;
/* rgb */ color: rgb(167, 58, 29);
/* oklch */ color: oklch(50.0% 0.149 35.5);

Tailwind

colors: {
  custom: {
    50: '#c9755c',
    500: '#a73a1d',
    950: '#000000',
  },
}

SCSS

$custom: #a73a1d;
$custom-light: #c9755c;
$custom-dark: #000000;

JSON

{
  "hex": "#a73a1d",
  "rgb": {
    "r": 167,
    "g": 58,
    "b": 29
  },
  "hsl": {
    "h": 12.609,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50042,
    "c": 0.1494,
    "h": 35.5
  },
  "luminance": 0.1133
}

Semantic roles & 50–950 ramp

primary

#A73A1D

secondary

#59B0C7

accent

#C8ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73A1D

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

Preview Lab → · Contrast checker → · Palette generator →