#A72F1B#A72F1B

#A72F1B is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.8% C 0.160 H 32.1°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#A72F1B
RGB	rgb(167, 47, 27)
HSL	hsl(9, 72%, 38%)
HSV	hsv(9, 84%, 65%)
CMYK	cmyk(0%, 71.9%, 83.8%, 34.5%)
CIE-LAB	lab(38.43, 47.95, 39.97)
CIE-LCH	lch(38.43, 62.42, 39.82°)
OKLab	oklab(48.76% 0.1353 0.0847)
OKLCH	oklch(48.76% 0.16 32.1)
XYZ	xyz(17.1527, 10.3303, 2.1275)
Luminance	0.1033 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72F1B #1B93A7

analogous

#A71B4D #A72F1B #A7751B

triadic

#A72F1B #1BA72F #2F1BA7

tetradic

#A72F1B #4DA71B #1B93A7 #751BA7

square

#A72F1B #4DA71B #1B93A7 #751BA7

split-complementary

#A72F1B #1BA775 #1B4DA7

monochromatic

#3E110A #722012 #A72F1B #DC3E24 #E46C58

Accessibility & contrast

On white

6.85

#A72F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A72F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A72F1B

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72F1B	#FFFFFF	#000000	##FFFFFF
##A72F1B	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A17

Deuteranopia (green-blind)

#716415

Tritanopia (blue-blind)

#B8002C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a72f1b;
/* rgb */ color: rgb(167, 47, 27);
/* oklch */ color: oklch(48.8% 0.160 32.1);

Tailwind

colors: {
  custom: {
    50: '#ca705a',
    500: '#a72f1b',
    950: '#000000',
  },
}

SCSS

$custom: #a72f1b;
$custom-light: #ca705a;
$custom-dark: #000000;

JSON

{
  "hex": "#a72f1b",
  "rgb": {
    "r": 167,
    "g": 47,
    "b": 27
  },
  "hsl": {
    "h": 8.571,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48755,
    "c": 0.15962,
    "h": 32.1
  },
  "luminance": 0.10328
}

Semantic roles & 50–950 ramp

primary

#A72F1B

secondary

#56B7C8

accent

#D5EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A72F1B

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

Preview Lab → · Contrast checker → · Palette generator →