#AD2C21#AD2C21

#AD2C21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 29.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#AD2C21
RGB	rgb(173, 44, 33)
HSL	hsl(5, 68%, 40%)
HSV	hsv(5, 81%, 68%)
CMYK	cmyk(0%, 74.6%, 80.9%, 32.2%)
CIE-LAB	lab(39.24, 51.20, 37.99)
CIE-LCH	lch(39.24, 63.76, 36.58°)
OKLab	oklab(49.59% 0.1459 0.0819)
OKLCH	oklch(49.59% 0.167 29.3)
XYZ	xyz(18.4110, 10.7983, 2.5534)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2C21 #21A2AD

analogous

#AD215C #AD2C21 #AD7221

triadic

#AD2C21 #21AD2C #2C21AD

tetradic

#AD2C21 #5CAD21 #21A2AD #7221AD

square

#AD2C21 #5CAD21 #21A2AD #7221AD

split-complementary

#AD2C21 #21AD72 #215CAD

monochromatic

#46120D #7A1F17 #AD2C21 #D84033 #E27066

Accessibility & contrast

On white

6.65

#AD2C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#AD2C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2C21

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2C21	#FFFFFF	#000000	##FFFFFF
##AD2C21	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1E

Deuteranopia (green-blind)

#73671B

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2c21;
/* rgb */ color: rgb(173, 44, 33);
/* oklch */ color: oklch(49.6% 0.167 29.3);

Tailwind

colors: {
  custom: {
    50: '#cf6f5e',
    500: '#ad2c21',
    950: '#000000',
  },
}

SCSS

$custom: #ad2c21;
$custom-light: #cf6f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2c21",
  "rgb": {
    "r": 173,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 4.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49587,
    "c": 0.16736,
    "h": 29.3
  },
  "luminance": 0.10795
}

Semantic roles & 50–950 ramp

primary

#AD2C21

secondary

#62BFC7

accent

#DDEB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2C21

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

Preview Lab → · Contrast checker → · Palette generator →