#AD283C#AD283C

#AD283C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.168 H 18.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#AD283C
RGB	rgb(173, 40, 60)
HSL	hsl(351, 62%, 42%)
HSV	hsv(351, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 65.3%, 32.2%)
CIE-LAB	lab(39.12, 53.77, 21.76)
CIE-LCH	lch(39.12, 58.01, 22.04°)
OKLab	oklab(49.62% 0.1599 0.052)
OKLCH	oklch(49.62% 0.168 18)
XYZ	xyz(18.8100, 10.7309, 5.3549)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD283C #28AD99

analogous

#AD287F #AD283C #AD5628

triadic

#AD283C #3CAD28 #283CAD

tetradic

#AD283C #7FAD28 #28AD99 #5628AD

square

#AD283C #7FAD28 #28AD99 #5628AD

split-complementary

#AD283C #28AD56 #287FAD

monochromatic

#4A111A #7B1D2B #AD283C #D33F56 #DE7182

Accessibility & contrast

On white

6.68

#AD283C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD283C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD283C

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD283C	#FFFFFF	#000000	##FFFFFF
##AD283C	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3C

Deuteranopia (green-blind)

#706638

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad283c;
/* rgb */ color: rgb(173, 40, 60);
/* oklch */ color: oklch(49.6% 0.168 18.0);

Tailwind

colors: {
  custom: {
    50: '#cd6e71',
    500: '#ad283c',
    950: '#000000',
  },
}

SCSS

$custom: #ad283c;
$custom-light: #cd6e71;
$custom-dark: #000000;

JSON

{
  "hex": "#ad283c",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 350.977,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4962,
    "c": 0.16815,
    "h": 18
  },
  "luminance": 0.10728
}

Semantic roles & 50–950 ramp

primary

#AD283C

secondary

#6CC5B8

accent

#E6CD42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD283C

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

Preview Lab → · Contrast checker → · Palette generator →