#A72B1B#A72B1B

#A72B1B is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.163 H 30.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#A72B1B
RGB	rgb(167, 43, 27)
HSL	hsl(7, 72%, 38%)
HSV	hsv(7, 84%, 65%)
CMYK	cmyk(0%, 74.3%, 83.8%, 34.5%)
CIE-LAB	lab(37.89, 49.44, 39.47)
CIE-LCH	lch(37.89, 63.27, 38.60°)
OKLab	oklab(48.35% 0.1399 0.0836)
OKLCH	oklch(48.35% 0.163 30.9)
XYZ	xyz(17.0001, 10.0250, 2.0766)
Luminance	0.1002 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72B1B #1B97A7

analogous

#A71B51 #A72B1B #A7711B

triadic

#A72B1B #1BA72B #2B1BA7

tetradic

#A72B1B #51A71B #1B97A7 #711BA7

square

#A72B1B #51A71B #1B97A7 #711BA7

split-complementary

#A72B1B #1BA771 #1B51A7

monochromatic

#3E100A #721D12 #A72B1B #DC3924 #E46858

Accessibility & contrast

On white

6.99

#A72B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#A72B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A72B1B

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72B1B	#FFFFFF	#000000	##FFFFFF
##A72B1B	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514818

Deuteranopia (green-blind)

#6F6314

Tritanopia (blue-blind)

#B80029

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a72b1b;
/* rgb */ color: rgb(167, 43, 27);
/* oklch */ color: oklch(48.4% 0.163 30.9);

Tailwind

colors: {
  custom: {
    50: '#ca6e59',
    500: '#a72b1b',
    950: '#000000',
  },
}

SCSS

$custom: #a72b1b;
$custom-light: #ca6e59;
$custom-dark: #000000;

JSON

{
  "hex": "#a72b1b",
  "rgb": {
    "r": 167,
    "g": 43,
    "b": 27
  },
  "hsl": {
    "h": 6.857,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4835,
    "c": 0.16301,
    "h": 30.9
  },
  "luminance": 0.10022
}

Semantic roles & 50–950 ramp

primary

#A72B1B

secondary

#56BBC8

accent

#DAEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A72B1B

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

Preview Lab → · Contrast checker → · Palette generator →