#AD2737#AD2737

#AD2737 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 20.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#AD2737
RGB	rgb(173, 39, 55)
HSL	hsl(353, 63%, 42%)
HSV	hsv(353, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 68.2%, 32.2%)
CIE-LAB	lab(38.92, 53.82, 24.63)
CIE-LCH	lch(38.92, 59.19, 24.60°)
OKLab	oklab(49.44% 0.159 0.0578)
OKLCH	oklch(49.44% 0.169 20)
XYZ	xyz(18.6508, 10.6140, 4.6803)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2737 #27AD9D

analogous

#AD277A #AD2737 #AD5A27

triadic

#AD2737 #37AD27 #2737AD

tetradic

#AD2737 #7AAD27 #27AD9D #5A27AD

square

#AD2737 #7AAD27 #27AD9D #5A27AD

split-complementary

#AD2737 #27AD5A #277AAD

monochromatic

#491017 #7B1C27 #AD2737 #D33E50 #DF707D

Accessibility & contrast

On white

6.73

#AD2737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AD2737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2737

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2737	#FFFFFF	#000000	##FFFFFF
##AD2737	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A37

Deuteranopia (green-blind)

#706633

Tritanopia (blue-blind)

#BE002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2737;
/* rgb */ color: rgb(173, 39, 55);
/* oklch */ color: oklch(49.4% 0.169 20.0);

Tailwind

colors: {
  custom: {
    50: '#cd6d6d',
    500: '#ad2737',
    950: '#000000',
  },
}

SCSS

$custom: #ad2737;
$custom-light: #cd6d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2737",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 55
  },
  "hsl": {
    "h": 352.836,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.16916,
    "h": 20
  },
  "luminance": 0.10611
}

Semantic roles & 50–950 ramp

primary

#AD2737

secondary

#6AC6BB

accent

#E6D342

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2737

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

Preview Lab → · Contrast checker → · Palette generator →