#AD3238#AD3238

#AD3238 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.159 H 22.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AD3238
RGB	rgb(173, 50, 56)
HSL	hsl(357, 55%, 44%)
HSV	hsv(357, 71%, 68%)
CMYK	cmyk(0%, 71.1%, 67.6%, 32.2%)
CIE-LAB	lab(40.33, 49.99, 25.77)
CIE-LCH	lch(40.33, 56.24, 27.27°)
OKLab	oklab(50.5% 0.147 0.0605)
OKLCH	oklch(50.5% 0.159 22.4)
XYZ	xyz(19.0900, 11.4538, 4.9462)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3238 #32ADA7

analogous

#AD3275 #AD3238 #AD6932

triadic

#AD3238 #38AD32 #3238AD

tetradic

#AD3238 #75AD32 #32ADA7 #6932AD

square

#AD3238 #75AD32 #32ADA7 #6932AD

split-complementary

#AD3238 #32AD69 #3275AD

monochromatic

#4E1719 #7E2429 #AD3238 #CC5056 #DA7F84

Accessibility & contrast

On white

6.38

#AD3238 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AD3238 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3238

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3238	#FFFFFF	#000000	##FFFFFF
##AD3238	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E37

Deuteranopia (green-blind)

#736934

Tritanopia (blue-blind)

#BE0935

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3238;
/* rgb */ color: rgb(173, 50, 56);
/* oklch */ color: oklch(50.5% 0.159 22.4);

Tailwind

colors: {
  custom: {
    50: '#cd726e',
    500: '#ad3238',
    950: '#000000',
  },
}

SCSS

$custom: #ad3238;
$custom-light: #cd726e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3238",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 357.073,
    "s": 55.157,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50498,
    "c": 0.15896,
    "h": 22.4
  },
  "luminance": 0.11451
}

Semantic roles & 50–950 ramp

primary

#AD3238

secondary

#78C3BF

accent

#DED749

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD3238

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

Preview Lab → · Contrast checker → · Palette generator →