#AD283D#AD283D

#AD283D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.168 H 17.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#AD283D
RGB	rgb(173, 40, 61)
HSL	hsl(351, 62%, 42%)
HSV	hsv(351, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 64.7%, 32.2%)
CIE-LAB	lab(39.14, 53.83, 21.16)
CIE-LCH	lch(39.14, 57.84, 21.46°)
OKLab	oklab(49.64% 0.1603 0.0507)
OKLCH	oklch(49.64% 0.168 17.6)
XYZ	xyz(18.8367, 10.7416, 5.4955)
Luminance	0.1074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD283D #28AD98

analogous

#AD2880 #AD283D #AD5628

triadic

#AD283D #3DAD28 #283DAD

tetradic

#AD283D #80AD28 #28AD98 #5628AD

square

#AD283D #80AD28 #28AD98 #5628AD

split-complementary

#AD283D #28AD56 #2880AD

monochromatic

#4A111A #7B1D2B #AD283D #D33F57 #DE7182

Accessibility & contrast

On white

6.67

#AD283D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD283D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD283D

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD283D	#FFFFFF	#000000	##FFFFFF
##AD283D	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3D

Deuteranopia (green-blind)

#706639

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad283d;
/* rgb */ color: rgb(173, 40, 61);
/* oklch */ color: oklch(49.6% 0.168 17.6);

Tailwind

colors: {
  custom: {
    50: '#cd6e72',
    500: '#ad283d',
    950: '#000000',
  },
}

SCSS

$custom: #ad283d;
$custom-light: #cd6e72;
$custom-dark: #000000;

JSON

{
  "hex": "#ad283d",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 350.526,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49639,
    "c": 0.16813,
    "h": 17.6
  },
  "luminance": 0.10739
}

Semantic roles & 50–950 ramp

primary

#AD283D

secondary

#6CC5B7

accent

#E6CC42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD283D

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

Preview Lab → · Contrast checker → · Palette generator →