#A72728#A72728

#A72728 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.164 H 25.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#A72728
RGB	rgb(167, 39, 40)
HSL	hsl(360, 62%, 40%)
HSV	hsv(360, 77%, 65%)
CMYK	cmyk(0%, 76.6%, 76%, 34.5%)
CIE-LAB	lab(37.52, 51.27, 31.84)
CIE-LCH	lch(37.52, 60.35, 31.84°)
OKLab	oklab(48.12% 0.1483 0.0711)
OKLCH	oklch(48.12% 0.164 25.6)
XYZ	xyz(17.0469, 9.8224, 3.0054)
Luminance	0.0982 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72728 #27A7A6

analogous

#A72768 #A72728 #A76627

triadic

#A72728 #28A727 #2728A7

tetradic

#A72728 #68A727 #27A7A6 #6627A7

square

#A72728 #68A727 #27A7A6 #6627A7

split-complementary

#A72728 #27A766 #2768A7

monochromatic

#441010 #751B1C #A72728 #D13A3B #DD6C6D

Accessibility & contrast

On white

7.09

#A72728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A72728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72728

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72728	#FFFFFF	#000000	##FFFFFF
##A72728	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4727

Deuteranopia (green-blind)

#6E6223

Tritanopia (blue-blind)

#B80029

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a72728;
/* rgb */ color: rgb(167, 39, 40);
/* oklch */ color: oklch(48.1% 0.164 25.6);

Tailwind

colors: {
  custom: {
    50: '#ca6c62',
    500: '#a72728',
    950: '#000000',
  },
}

SCSS

$custom: #a72728;
$custom-light: #ca6c62;
$custom-dark: #000000;

JSON

{
  "hex": "#a72728",
  "rgb": {
    "r": 167,
    "g": 39,
    "b": 40
  },
  "hsl": {
    "h": 359.531,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4812,
    "c": 0.16449,
    "h": 25.6
  },
  "luminance": 0.0982
}

Semantic roles & 50–950 ramp

primary

#A72728

secondary

#67C3C2

accent

#E5E443

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A72728

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

Preview Lab → · Contrast checker → · Palette generator →