#A72A1B#A72A1B

#A72A1B is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.164 H 30.6°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#A72A1B
RGB	rgb(167, 42, 27)
HSL	hsl(6, 72%, 38%)
HSV	hsv(6, 84%, 65%)
CMYK	cmyk(0%, 74.9%, 83.8%, 34.5%)
CIE-LAB	lab(37.76, 49.80, 39.35)
CIE-LCH	lch(37.76, 63.47, 38.32°)
OKLab	oklab(48.25% 0.141 0.0833)
OKLCH	oklch(48.25% 0.164 30.6)
XYZ	xyz(16.9642, 9.9532, 2.0646)
Luminance	0.0995 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72A1B #1B98A7

analogous

#A71B52 #A72A1B #A7701B

triadic

#A72A1B #1BA72A #2A1BA7

tetradic

#A72A1B #52A71B #1B98A7 #701BA7

square

#A72A1B #52A71B #1B98A7 #701BA7

split-complementary

#A72A1B #1BA770 #1B52A7

monochromatic

#3E100A #721D12 #A72A1B #DC3724 #E46758

Accessibility & contrast

On white

7.02

#A72A1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A72A1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72A1B

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72A1B	#FFFFFF	#000000	##FFFFFF
##A72A1B	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504718

Deuteranopia (green-blind)

#6F6314

Tritanopia (blue-blind)

#B80028

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a72a1b;
/* rgb */ color: rgb(167, 42, 27);
/* oklch */ color: oklch(48.3% 0.164 30.6);

Tailwind

colors: {
  custom: {
    50: '#ca6d59',
    500: '#a72a1b',
    950: '#000000',
  },
}

SCSS

$custom: #a72a1b;
$custom-light: #ca6d59;
$custom-dark: #000000;

JSON

{
  "hex": "#a72a1b",
  "rgb": {
    "r": 167,
    "g": 42,
    "b": 27
  },
  "hsl": {
    "h": 6.429,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48254,
    "c": 0.16382,
    "h": 30.6
  },
  "luminance": 0.09951
}

Semantic roles & 50–950 ramp

primary

#A72A1B

secondary

#56BBC8

accent

#DBEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A72A1B

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

Preview Lab → · Contrast checker → · Palette generator →