#AD2223#AD2223

#AD2223 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.175 H 26.4°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#AD2223
RGB	rgb(173, 34, 35)
HSL	hsl(360, 67%, 41%)
HSV	hsv(360, 80%, 68%)
CMYK	cmyk(0%, 80.3%, 79.8%, 32.2%)
CIE-LAB	lab(38.11, 54.47, 35.74)
CIE-LCH	lch(38.11, 65.15, 33.27°)
OKLab	oklab(48.76% 0.1566 0.0777)
OKLCH	oklch(48.76% 0.175 26.4)
XYZ	xyz(18.1112, 10.1526, 2.5958)
Luminance	0.1015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2223 #22ADAC

analogous

#AD2269 #AD2223 #AD6622

triadic

#AD2223 #23AD22 #2223AD

tetradic

#AD2223 #69AD22 #22ADAC #6622AD

square

#AD2223 #69AD22 #22ADAC #6622AD

split-complementary

#AD2223 #22AD66 #2269AD

monochromatic

#470E0E #7A1819 #AD2223 #D73536 #E16869

Accessibility & contrast

On white

6.93

#AD2223 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#AD2223 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2223

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2223	#FFFFFF	#000000	##FFFFFF
##AD2223	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4621

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#BF0025

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2223;
/* rgb */ color: rgb(173, 34, 35);
/* oklch */ color: oklch(48.8% 0.175 26.4);

Tailwind

colors: {
  custom: {
    50: '#cf6b5f',
    500: '#ad2223',
    950: '#000000',
  },
}

SCSS

$custom: #ad2223;
$custom-light: #cf6b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2223",
  "rgb": {
    "r": 173,
    "g": 34,
    "b": 35
  },
  "hsl": {
    "h": 359.568,
    "s": 67.15,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48757,
    "c": 0.1748,
    "h": 26.4
  },
  "luminance": 0.1015
}

Semantic roles & 50–950 ramp

primary

#AD2223

secondary

#64C7C6

accent

#EAE93E

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AD2223

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

Preview Lab → · Contrast checker → · Palette generator →