#AD272A#AD272A

#AD272A is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.170 H 25.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#AD272A
RGB	rgb(173, 39, 42)
HSL	hsl(359, 63%, 42%)
HSV	hsv(359, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 75.7%, 32.2%)
CIE-LAB	lab(38.73, 53.21, 32.33)
CIE-LCH	lch(38.73, 62.26, 31.28°)
OKLab	oklab(49.24% 0.1541 0.0723)
OKLCH	oklch(49.24% 0.17 25.1)
XYZ	xyz(18.3792, 10.5053, 3.2500)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD272A #27ADAA

analogous

#AD276D #AD272A #AD6727

triadic

#AD272A #2AAD27 #272AAD

tetradic

#AD272A #6DAD27 #27ADAA #6727AD

square

#AD272A #6DAD27 #27ADAA #6727AD

split-complementary

#AD272A #27AD67 #276DAD

monochromatic

#491012 #7B1C1E #AD272A #D33E41 #DF7072

Accessibility & contrast

On white

6.77

#AD272A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AD272A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD272A

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD272A	#FFFFFF	#000000	##FFFFFF
##AD272A	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504929

Deuteranopia (green-blind)

#716625

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad272a;
/* rgb */ color: rgb(173, 39, 42);
/* oklch */ color: oklch(49.2% 0.170 25.1);

Tailwind

colors: {
  custom: {
    50: '#ce6d64',
    500: '#ad272a',
    950: '#000000',
  },
}

SCSS

$custom: #ad272a;
$custom-light: #ce6d64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad272a",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 42
  },
  "hsl": {
    "h": 358.657,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49243,
    "c": 0.17024,
    "h": 25.1
  },
  "luminance": 0.10502
}

Semantic roles & 50–950 ramp

primary

#AD272A

secondary

#6AC6C3

accent

#E6E342

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD272A

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

Preview Lab → · Contrast checker → · Palette generator →