#A73729#A73729

#A73729 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.150 H 30.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A73729
RGB	rgb(167, 55, 41)
HSL	hsl(7, 61%, 41%)
HSV	hsv(7, 75%, 65%)
CMYK	cmyk(0%, 67.1%, 75.4%, 34.5%)
CIE-LAB	lab(39.77, 45.18, 33.73)
CIE-LCH	lch(39.77, 56.38, 36.74°)
OKLab	oklab(49.8% 0.1294 0.0755)
OKLCH	oklch(49.8% 0.15 30.2)
XYZ	xyz(17.7047, 11.1105, 3.3097)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73729 #2999A7

analogous

#A7295A #A73729 #A77629

triadic

#A73729 #29A737 #3729A7

tetradic

#A73729 #5AA729 #2999A7 #7629A7

square

#A73729 #5AA729 #2999A7 #7629A7

split-complementary

#A73729 #29A776 #295AA7

monochromatic

#451711 #76271D #A73729 #D04E3E #DC7B6F

Accessibility & contrast

On white

6.52

#A73729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A73729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73729

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73729	#FFFFFF	#000000	##FFFFFF
##A73729	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)

#574E27

Deuteranopia (green-blind)

#726725

Tritanopia (blue-blind)

#B81735

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a73729;
/* rgb */ color: rgb(167, 55, 41);
/* oklch */ color: oklch(49.8% 0.150 30.2);

Tailwind

colors: {
  custom: {
    50: '#c97463',
    500: '#a73729',
    950: '#000000',
  },
}

SCSS

$custom: #a73729;
$custom-light: #c97463;
$custom-dark: #000000;

JSON

{
  "hex": "#a73729",
  "rgb": {
    "r": 167,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 6.667,
    "s": 60.577,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49802,
    "c": 0.1498,
    "h": 30.2
  },
  "luminance": 0.11108
}

Semantic roles & 50–950 ramp

primary

#A73729

secondary

#69B9C2

accent

#D2E444

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #A73729

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

Preview Lab → · Contrast checker → · Palette generator →