#A73818#A73818

#A73818 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.152 H 36.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A73818
RGB	rgb(167, 56, 24)
HSL	hsl(13, 75%, 37%)
HSV	hsv(13, 86%, 65%)
CMYK	cmyk(0%, 66.5%, 85.6%, 34.5%)
CIE-LAB	lab(39.77, 44.16, 42.63)
CIE-LCH	lch(39.77, 61.38, 43.99°)
OKLab	oklab(49.75% 0.1231 0.0895)
OKLCH	oklch(49.75% 0.152 36)
XYZ	xyz(17.5174, 11.1124, 2.0865)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73818 #1887A7

analogous

#A7183F #A73818 #A78018

triadic

#A73818 #18A738 #3818A7

tetradic

#A73818 #3FA718 #1887A7 #8018A7

square

#A73818 #3FA718 #1887A7 #8018A7

split-complementary

#A73818 #18A780 #183FA7

monochromatic

#3C1409 #712610 #A73818 #DD4A20 #E67453

Accessibility & contrast

On white

6.52

#A73818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A73818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73818

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73818	#FFFFFF	#000000	##FFFFFF
##A73818	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E12

Deuteranopia (green-blind)

#746712

Tritanopia (blue-blind)

#B81632

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a73818;
/* rgb */ color: rgb(167, 56, 24);
/* oklch */ color: oklch(49.8% 0.152 36.0);

Tailwind

colors: {
  custom: {
    50: '#ca7458',
    500: '#a73818',
    950: '#000000',
  },
}

SCSS

$custom: #a73818;
$custom-light: #ca7458;
$custom-dark: #000000;

JSON

{
  "hex": "#a73818",
  "rgb": {
    "r": 167,
    "g": 56,
    "b": 24
  },
  "hsl": {
    "h": 13.427,
    "s": 74.869,
    "l": 37.451
  },
  "oklch": {
    "l": 0.49754,
    "c": 0.1522,
    "h": 36
  },
  "luminance": 0.1111
}

Semantic roles & 50–950 ramp

primary

#A73818

secondary

#52AEC9

accent

#C8F136

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150903

muted

#837B78

Preview Lab

Preview with #A73818

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

Preview Lab → · Contrast checker → · Palette generator →