#A73F23#A73F23

#A73F23 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.7% C 0.143 H 35.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#A73F23
RGB	rgb(167, 63, 35)
HSL	hsl(13, 65%, 40%)
HSV	hsv(13, 79%, 65%)
CMYK	cmyk(0%, 62.3%, 79%, 34.5%)
CIE-LAB	lab(41.05, 41.34, 38.38)
CIE-LCH	lch(41.05, 56.41, 42.87°)
OKLab	oklab(50.75% 0.1163 0.0839)
OKLCH	oklch(50.75% 0.143 35.8)
XYZ	xyz(18.0192, 11.8944, 2.9368)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73F23 #238BA7

analogous

#A72349 #A73F23 #A78123

triadic

#A73F23 #23A73F #3F23A7

tetradic

#A73F23 #49A723 #238BA7 #8123A7

square

#A73F23 #49A723 #238BA7 #8123A7

split-complementary

#A73F23 #23A781 #2349A7

monochromatic

#42190E #742C18 #A73F23 #D45533 #DF7F66

Accessibility & contrast

On white

6.22

#A73F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#A73F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73F23

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73F23	#FFFFFF	#000000	##FFFFFF
##A73F23	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521F

Deuteranopia (green-blind)

#76691F

Tritanopia (blue-blind)

#B82539

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a73f23;
/* rgb */ color: rgb(167, 63, 35);
/* oklch */ color: oklch(50.7% 0.143 35.8);

Tailwind

colors: {
  custom: {
    50: '#c97860',
    500: '#a73f23',
    950: '#000000',
  },
}

SCSS

$custom: #a73f23;
$custom-light: #c97860;
$custom-dark: #000000;

JSON

{
  "hex": "#a73f23",
  "rgb": {
    "r": 167,
    "g": 63,
    "b": 35
  },
  "hsl": {
    "h": 12.727,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50746,
    "c": 0.1434,
    "h": 35.8
  },
  "luminance": 0.11892
}

Semantic roles & 50–950 ramp

primary

#A73F23

secondary

#61AFC4

accent

#C4E83F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A73F23

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

Preview Lab → · Contrast checker → · Palette generator →