#AD273C#AD273C

#AD273C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.169 H 17.8°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AD273C
RGB	rgb(173, 39, 60)
HSL	hsl(351, 63%, 42%)
HSV	hsv(351, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 65.3%, 32.2%)
CIE-LAB	lab(39.01, 54.09, 21.62)
CIE-LCH	lch(39.01, 58.25, 21.78°)
OKLab	oklab(49.54% 0.1609 0.0517)
OKLCH	oklch(49.54% 0.169 17.8)
XYZ	xyz(18.7767, 10.6644, 5.3438)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD273C #27AD98

analogous

#AD277F #AD273C #AD5527

triadic

#AD273C #3CAD27 #273CAD

tetradic

#AD273C #7FAD27 #27AD98 #5527AD

square

#AD273C #7FAD27 #27AD98 #5527AD

split-complementary

#AD273C #27AD55 #277FAD

monochromatic

#491019 #7B1C2B #AD273C #D33E55 #DF7081

Accessibility & contrast

On white

6.70

#AD273C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD273C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD273C

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD273C	#FFFFFF	#000000	##FFFFFF
##AD273C	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3C

Deuteranopia (green-blind)

#706638

Tritanopia (blue-blind)

#BE0030

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad273c;
/* rgb */ color: rgb(173, 39, 60);
/* oklch */ color: oklch(49.5% 0.169 17.8);

Tailwind

colors: {
  custom: {
    50: '#cd6e71',
    500: '#ad273c',
    950: '#000000',
  },
}

SCSS

$custom: #ad273c;
$custom-light: #cd6e71;
$custom-dark: #000000;

JSON

{
  "hex": "#ad273c",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 350.597,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49535,
    "c": 0.16902,
    "h": 17.8
  },
  "luminance": 0.10662
}

Semantic roles & 50–950 ramp

primary

#AD273C

secondary

#6AC6B7

accent

#E6CC42

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD273C

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

Preview Lab → · Contrast checker → · Palette generator →