#AD2C37#AD2C37

#AD2C37 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.165 H 21.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#AD2C37
RGB	rgb(173, 44, 55)
HSL	hsl(355, 59%, 43%)
HSV	hsv(355, 75%, 68%)
CMYK	cmyk(0%, 74.6%, 68.2%, 32.2%)
CIE-LAB	lab(39.52, 52.15, 25.37)
CIE-LCH	lch(39.52, 57.99, 25.95°)
OKLab	oklab(49.89% 0.1536 0.0595)
OKLCH	oklch(49.89% 0.165 21.2)
XYZ	xyz(18.8259, 10.9643, 4.7387)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2C37 #2CADA2

analogous

#AD2C77 #AD2C37 #AD622C

triadic

#AD2C37 #37AD2C #2C37AD

tetradic

#AD2C37 #77AD2C #2CADA2 #622CAD

square

#AD2C37 #77AD2C #2CADA2 #622CAD

split-complementary

#AD2C37 #2CAD62 #2C77AD

monochromatic

#4B1318 #7C2027 #AD2C37 #D04652 #DC7780

Accessibility & contrast

On white

6.58

#AD2C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#AD2C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2C37

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2C37	#FFFFFF	#000000	##FFFFFF
##AD2C37	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ad2c37;
/* rgb */ color: rgb(173, 44, 55);
/* oklch */ color: oklch(49.9% 0.165 21.2);

Tailwind

colors: {
  custom: {
    50: '#cd706d',
    500: '#ad2c37',
    950: '#000000',
  },
}

SCSS

$custom: #ad2c37;
$custom-light: #cd706d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2c37",
  "rgb": {
    "r": 173,
    "g": 44,
    "b": 55
  },
  "hsl": {
    "h": 354.884,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49887,
    "c": 0.16476,
    "h": 21.2
  },
  "luminance": 0.10961
}

Semantic roles & 50–950 ramp

primary

#AD2C37

secondary

#71C4BD

accent

#E3D545

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2C37

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

Preview Lab → · Contrast checker → · Palette generator →