#A73B1A#A73B1A

#A73B1A is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.149 H 36.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#A73B1A
RGB	rgb(167, 59, 26)
HSL	hsl(14, 73%, 38%)
HSV	hsv(14, 84%, 65%)
CMYK	cmyk(0%, 64.7%, 84.4%, 34.5%)
CIE-LAB	lab(40.28, 42.88, 42.15)
CIE-LCH	lch(40.28, 60.13, 44.51°)
OKLab	oklab(50.14% 0.1195 0.0892)
OKLCH	oklch(50.14% 0.149 36.8)
XYZ	xyz(17.6888, 11.4206, 2.2501)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73B1A #1A86A7

analogous

#A71A3F #A73B1A #A7821A

triadic

#A73B1A #1AA73B #3B1AA7

tetradic

#A73B1A #3FA71A #1A86A7 #821AA7

square

#A73B1A #3FA71A #1A86A7 #821AA7

split-complementary

#A73B1A #1AA782 #1A3FA7

monochromatic

#3D160A #722812 #A73B1A #DC4E22 #E57857

Accessibility & contrast

On white

6.40

#A73B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A73B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73B1A

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73B1A	#FFFFFF	#000000	##FFFFFF
##A73B1A	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5015

Deuteranopia (green-blind)

#756815

Tritanopia (blue-blind)

#B81C35

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73b1a;
/* rgb */ color: rgb(167, 59, 26);
/* oklch */ color: oklch(50.1% 0.149 36.8);

Tailwind

colors: {
  custom: {
    50: '#ca765a',
    500: '#a73b1a',
    950: '#000000',
  },
}

SCSS

$custom: #a73b1a;
$custom-light: #ca765a;
$custom-dark: #000000;

JSON

{
  "hex": "#a73b1a",
  "rgb": {
    "r": 167,
    "g": 59,
    "b": 26
  },
  "hsl": {
    "h": 14.043,
    "s": 73.057,
    "l": 37.843
  },
  "oklch": {
    "l": 0.50143,
    "c": 0.1491,
    "h": 36.8
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#A73B1A

secondary

#55ADC8

accent

#C5F038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73B1A

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

Preview Lab → · Contrast checker → · Palette generator →