#A72F37#A72F37

#A72F37 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.1% C 0.156 H 21.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A72F37
RGB	rgb(167, 47, 55)
HSL	hsl(356, 56%, 42%)
HSV	hsv(356, 72%, 65%)
CMYK	cmyk(0%, 71.9%, 67.1%, 34.5%)
CIE-LAB	lab(38.77, 49.14, 24.19)
CIE-LCH	lch(38.77, 54.77, 26.21°)
OKLab	oklab(49.12% 0.1449 0.0571)
OKLCH	oklch(49.12% 0.156 21.5)
XYZ	xyz(17.6443, 10.5269, 4.7165)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72F37 #2FA79F

analogous

#A72F73 #A72F37 #A7632F

triadic

#A72F37 #37A72F #2F37A7

tetradic

#A72F37 #73A72F #2FA79F #632FA7

square

#A72F37 #73A72F #2FA79F #632FA7

split-complementary

#A72F37 #2FA763 #2F73A7

monochromatic

#471418 #772227 #A72F37 #CB4851 #D9787E

Accessibility & contrast

On white

6.76

#A72F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A72F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A72F37

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72F37	#FFFFFF	#000000	##FFFFFF
##A72F37	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B36

Deuteranopia (green-blind)

#6F6533

Tritanopia (blue-blind)

#B70633

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a72f37;
/* rgb */ color: rgb(167, 47, 55);
/* oklch */ color: oklch(49.1% 0.156 21.5);

Tailwind

colors: {
  custom: {
    50: '#c8706d',
    500: '#a72f37',
    950: '#000000',
  },
}

SCSS

$custom: #a72f37;
$custom-light: #c8706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a72f37",
  "rgb": {
    "r": 167,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 356,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49121,
    "c": 0.1557,
    "h": 21.5
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary

#A72F37

secondary

#71C1BC

accent

#DFD548

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A72F37

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

Preview Lab → · Contrast checker → · Palette generator →