#AD282B#AD282B

#AD282B is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.169 H 25.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AD282B
RGB	rgb(173, 40, 43)
HSL	hsl(359, 62%, 42%)
HSV	hsv(359, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 75.1%, 32.2%)
CIE-LAB	lab(38.86, 52.93, 31.88)
CIE-LCH	lch(38.86, 61.79, 31.06°)
OKLab	oklab(49.34% 0.1535 0.0715)
OKLCH	oklch(49.34% 0.169 25)
XYZ	xyz(18.4306, 10.5791, 3.3566)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD282B #28ADAA

analogous

#AD286D #AD282B #AD6828

triadic

#AD282B #2BAD28 #282BAD

tetradic

#AD282B #6DAD28 #28ADAA #6828AD

square

#AD282B #6DAD28 #28ADAA #6828AD

split-complementary

#AD282B #28AD68 #286DAD

monochromatic

#4A1112 #7B1D1F #AD282B #D33F43 #DE7174

Accessibility & contrast

On white

6.74

#AD282B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AD282B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD282B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD282B	#FFFFFF	#000000	##FFFFFF
##AD282B	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50492A

Deuteranopia (green-blind)

#716626

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad282b;
/* rgb */ color: rgb(173, 40, 43);
/* oklch */ color: oklch(49.3% 0.169 25.0);

Tailwind

colors: {
  custom: {
    50: '#ce6e64',
    500: '#ad282b',
    950: '#000000',
  },
}

SCSS

$custom: #ad282b;
$custom-light: #ce6e64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad282b",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 43
  },
  "hsl": {
    "h": 358.647,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49342,
    "c": 0.16932,
    "h": 25
  },
  "luminance": 0.10576
}

Semantic roles & 50–950 ramp

primary

#AD282B

secondary

#6CC5C3

accent

#E6E242

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD282B

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

Preview Lab → · Contrast checker → · Palette generator →