#A72421#A72421

#A72421 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.168 H 27.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A72421
RGB	rgb(167, 36, 33)
HSL	hsl(1, 67%, 39%)
HSV	hsv(1, 80%, 65%)
CMYK	cmyk(0%, 78.4%, 80.2%, 34.5%)
CIE-LAB	lab(37.10, 51.99, 35.45)
CIE-LCH	lch(37.10, 62.92, 34.29°)
OKLab	oklab(47.78% 0.1491 0.0769)
OKLCH	oklch(47.78% 0.168 27.3)
XYZ	xyz(16.8438, 9.5897, 2.4027)
Luminance	0.0959 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72421 #21A4A7

analogous

#A72161 #A72421 #A76721

triadic

#A72421 #21A724 #2421A7

tetradic

#A72421 #61A721 #21A4A7 #6721A7

square

#A72421 #61A721 #21A4A7 #6721A7

split-complementary

#A72421 #21A767 #2161A7

monochromatic

#410E0D #741917 #A72421 #D6332F #E06562

Accessibility & contrast

On white

7.20

#A72421 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A72421 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72421

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72421	#FFFFFF	#000000	##FFFFFF
##A72421	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451F

Deuteranopia (green-blind)

#6D611B

Tritanopia (blue-blind)

#B80025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a72421;
/* rgb */ color: rgb(167, 36, 33);
/* oklch */ color: oklch(47.8% 0.168 27.3);

Tailwind

colors: {
  custom: {
    50: '#ca6b5d',
    500: '#a72421',
    950: '#000000',
  },
}

SCSS

$custom: #a72421;
$custom-light: #ca6b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a72421",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 33
  },
  "hsl": {
    "h": 1.343,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47778,
    "c": 0.16775,
    "h": 27.3
  },
  "luminance": 0.09587
}

Semantic roles & 50–950 ramp

primary

#A72421

secondary

#5FC3C5

accent

#E6EA3E

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A72421

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

Preview Lab → · Contrast checker → · Palette generator →