#A73F1D#A73F1D

#A73F1D is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.7% C 0.145 H 37.7°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#A73F1D
RGB	rgb(167, 63, 29)
HSL	hsl(15, 70%, 38%)
HSV	hsv(15, 83%, 65%)
CMYK	cmyk(0%, 62.3%, 82.6%, 34.5%)
CIE-LAB	lab(41.00, 41.13, 41.37)
CIE-LCH	lch(41.00, 58.34, 45.17°)
OKLab	oklab(50.69% 0.1146 0.0886)
OKLCH	oklch(50.69% 0.145 37.7)
XYZ	xyz(17.9376, 11.8618, 2.5072)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73F1D #1D85A7

analogous

#A71D40 #A73F1D #A7841D

triadic

#A73F1D #1DA73F #3F1DA7

tetradic

#A73F1D #40A71D #1D85A7 #841DA7

square

#A73F1D #40A71D #1D85A7 #841DA7

split-complementary

#A73F1D #1DA784 #1D40A7

monochromatic

#3F180B #732B14 #A73F1D #DA5328 #E37D5C

Accessibility & contrast

On white

6.23

#A73F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A73F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73F1D

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73F1D	#FFFFFF	#000000	##FFFFFF
##A73F1D	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5218

Deuteranopia (green-blind)

#766919

Tritanopia (blue-blind)

#B82438

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a73f1d;
/* rgb */ color: rgb(167, 63, 29);
/* oklch */ color: oklch(50.7% 0.145 37.7);

Tailwind

colors: {
  custom: {
    50: '#c9785c',
    500: '#a73f1d',
    950: '#000000',
  },
}

SCSS

$custom: #a73f1d;
$custom-light: #c9785c;
$custom-dark: #000000;

JSON

{
  "hex": "#a73f1d",
  "rgb": {
    "r": 167,
    "g": 63,
    "b": 29
  },
  "hsl": {
    "h": 14.783,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.5069,
    "c": 0.14482,
    "h": 37.7
  },
  "luminance": 0.11859
}

Semantic roles & 50–950 ramp

primary

#A73F1D

secondary

#59ACC7

accent

#C1ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73F1D

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

Preview Lab → · Contrast checker → · Palette generator →