#AD2D37#AD2D37

#AD2D37 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.164 H 21.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#AD2D37
RGB	rgb(173, 45, 55)
HSL	hsl(355, 59%, 43%)
HSV	hsv(355, 74%, 68%)
CMYK	cmyk(0%, 74%, 68.2%, 32.2%)
CIE-LAB	lab(39.65, 51.79, 25.53)
CIE-LCH	lch(39.65, 57.74, 26.24°)
OKLab	oklab(49.98% 0.1525 0.0598)
OKLCH	oklch(49.98% 0.164 21.4)
XYZ	xyz(18.8636, 11.0397, 4.7513)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2D37 #2DADA3

analogous

#AD2D77 #AD2D37 #AD632D

triadic

#AD2D37 #37AD2D #2D37AD

tetradic

#AD2D37 #77AD2D #2DADA3 #632DAD

square

#AD2D37 #77AD2D #2DADA3 #632DAD

split-complementary

#AD2D37 #2DAD63 #2D77AD

monochromatic

#4C1418 #7C2028 #AD2D37 #CF4852 #DC7880

Accessibility & contrast

On white

6.55

#AD2D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#AD2D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2D37

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2D37	#FFFFFF	#000000	##FFFFFF
##AD2D37	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#726733

Tritanopia (blue-blind)

#BE0032

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2d37;
/* rgb */ color: rgb(173, 45, 55);
/* oklch */ color: oklch(50.0% 0.164 21.4);

Tailwind

colors: {
  custom: {
    50: '#cd706d',
    500: '#ad2d37',
    950: '#000000',
  },
}

SCSS

$custom: #ad2d37;
$custom-light: #cd706d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2d37",
  "rgb": {
    "r": 173,
    "g": 45,
    "b": 55
  },
  "hsl": {
    "h": 355.313,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49981,
    "c": 0.16383,
    "h": 21.4
  },
  "luminance": 0.11037
}

Semantic roles & 50–950 ramp

primary

#AD2D37

secondary

#72C4BE

accent

#E2D646

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2D37

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

Preview Lab → · Contrast checker → · Palette generator →