#AD3228#AD3228

#AD3228 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.161 H 28.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#AD3228
RGB	rgb(173, 50, 40)
HSL	hsl(5, 62%, 42%)
HSV	hsv(5, 77%, 68%)
CMYK	cmyk(0%, 71.1%, 76.9%, 32.2%)
CIE-LAB	lab(40.12, 49.23, 35.00)
CIE-LCH	lch(40.12, 60.41, 35.41°)
OKLab	oklab(50.27% 0.1412 0.0776)
OKLCH	oklch(50.27% 0.161 28.8)
XYZ	xyz(18.7593, 11.3215, 3.2046)
Luminance	0.1132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3228 #28A3AD

analogous

#AD2861 #AD3228 #AD7528

triadic

#AD3228 #28AD32 #3228AD

tetradic

#AD3228 #61AD28 #28A3AD #7528AD

square

#AD3228 #61AD28 #28A3AD #7528AD

split-complementary

#AD3228 #28AD75 #2861AD

monochromatic

#4A1511 #7B241D #AD3228 #D34B3F #DE7971

Accessibility & contrast

On white

6.43

#AD3228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AD3228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3228

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3228	#FFFFFF	#000000	##FFFFFF
##AD3228	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D26

Deuteranopia (green-blind)

#746823

Tritanopia (blue-blind)

#BF0031

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3228;
/* rgb */ color: rgb(173, 50, 40);
/* oklch */ color: oklch(50.3% 0.161 28.8);

Tailwind

colors: {
  custom: {
    50: '#ce7263',
    500: '#ad3228',
    950: '#000000',
  },
}

SCSS

$custom: #ad3228;
$custom-light: #ce7263;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3228",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.511,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50266,
    "c": 0.16108,
    "h": 28.8
  },
  "luminance": 0.11319
}

Semantic roles & 50–950 ramp

primary

#AD3228

secondary

#6CBFC5

accent

#D9E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD3228

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

Preview Lab → · Contrast checker → · Palette generator →