#A73A23#A73A23

#A73A23 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.148 H 33.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#A73A23
RGB	rgb(167, 58, 35)
HSL	hsl(10, 65%, 40%)
HSV	hsv(10, 79%, 65%)
CMYK	cmyk(0%, 65.3%, 79%, 34.5%)
CIE-LAB	lab(40.19, 43.63, 37.51)
CIE-LCH	lch(40.19, 57.53, 40.69°)
OKLab	oklab(50.1% 0.1234 0.082)
OKLCH	oklch(50.1% 0.148 33.6)
XYZ	xyz(17.7548, 11.3655, 2.8486)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73A23 #2390A7

analogous

#A7234E #A73A23 #A77C23

triadic

#A73A23 #23A73A #3A23A7

tetradic

#A73A23 #4EA723 #2390A7 #7C23A7

square

#A73A23 #4EA723 #2390A7 #7C23A7

split-complementary

#A73A23 #23A77C #234EA7

monochromatic

#42170E #742818 #A73A23 #D44F33 #DF7B66

Accessibility & contrast

On white

6.42

#A73A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A73A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73A23

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73A23	#FFFFFF	#000000	##FFFFFF
##A73A23	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#74681F

Tritanopia (blue-blind)

#B81C35

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73a23;
/* rgb */ color: rgb(167, 58, 35);
/* oklch */ color: oklch(50.1% 0.148 33.6);

Tailwind

colors: {
  custom: {
    50: '#c9755f',
    500: '#a73a23',
    950: '#000000',
  },
}

SCSS

$custom: #a73a23;
$custom-light: #c9755f;
$custom-dark: #000000;

JSON

{
  "hex": "#a73a23",
  "rgb": {
    "r": 167,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 10.455,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50099,
    "c": 0.14814,
    "h": 33.6
  },
  "luminance": 0.11363
}

Semantic roles & 50–950 ramp

primary

#A73A23

secondary

#61B3C4

accent

#CBE83F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A73A23

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

Preview Lab → · Contrast checker → · Palette generator →