#AD282A#AD282A

#AD282A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.169 H 25.4°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AD282A
RGB	rgb(173, 40, 42)
HSL	hsl(359, 62%, 42%)
HSV	hsv(359, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 75.7%, 32.2%)
CIE-LAB	lab(38.85, 52.89, 32.46)
CIE-LCH	lch(38.85, 62.05, 31.54°)
OKLab	oklab(49.33% 0.1531 0.0726)
OKLCH	oklch(49.33% 0.169 25.4)
XYZ	xyz(18.4125, 10.5719, 3.2611)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD282A #28ADAB

analogous

#AD286D #AD282A #AD6928

triadic

#AD282A #2AAD28 #282AAD

tetradic

#AD282A #6DAD28 #28ADAB #6928AD

square

#AD282A #6DAD28 #28ADAB #6928AD

split-complementary

#AD282A #28AD69 #286DAD

monochromatic

#4A1112 #7B1D1E #AD282A #D33F42 #DE7173

Accessibility & contrast

On white

6.74

#AD282A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD282A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD282A

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD282A	#FFFFFF	#000000	##FFFFFF
##AD282A	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504929

Deuteranopia (green-blind)

#716625

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad282a;
/* rgb */ color: rgb(173, 40, 42);
/* oklch */ color: oklch(49.3% 0.169 25.4);

Tailwind

colors: {
  custom: {
    50: '#ce6e64',
    500: '#ad282a',
    950: '#000000',
  },
}

SCSS

$custom: #ad282a;
$custom-light: #ce6e64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad282a",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 42
  },
  "hsl": {
    "h": 359.098,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49329,
    "c": 0.16944,
    "h": 25.4
  },
  "luminance": 0.10569
}

Semantic roles & 50–950 ramp

primary

#AD282A

secondary

#6CC5C4

accent

#E6E342

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD282A

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

Preview Lab → · Contrast checker → · Palette generator →