#AD303F#AD303F

#AD303F is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.161 H 18.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#AD303F
RGB	rgb(173, 48, 63)
HSL	hsl(353, 57%, 43%)
HSV	hsv(353, 72%, 68%)
CMYK	cmyk(0%, 72.3%, 63.6%, 32.2%)
CIE-LAB	lab(40.18, 51.17, 21.25)
CIE-LCH	lch(40.18, 55.40, 22.55°)
OKLab	oklab(50.42% 0.1522 0.0511)
OKLCH	oklch(50.42% 0.161 18.6)
XYZ	xyz(19.1897, 11.3598, 5.8839)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD303F #30AD9E

analogous

#AD307D #AD303F #AD5F30

triadic

#AD303F #3FAD30 #303FAD

tetradic

#AD303F #7DAD30 #30AD9E #5F30AD

square

#AD303F #7DAD30 #30AD9E #5F30AD

split-complementary

#AD303F #30AD5F #307DAD

monochromatic

#4D151C #7D232E #AD303F #CE4D5C #DB7D88

Accessibility & contrast

On white

6.42

#AD303F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AD303F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD303F

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD303F	#FFFFFF	#000000	##FFFFFF
##AD303F	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E3F

Deuteranopia (green-blind)

#72683C

Tritanopia (blue-blind)

#BE0736

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad303f;
/* rgb */ color: rgb(173, 48, 63);
/* oklch */ color: oklch(50.4% 0.161 18.6);

Tailwind

colors: {
  custom: {
    50: '#cc7273',
    500: '#ad303f',
    950: '#000000',
  },
}

SCSS

$custom: #ad303f;
$custom-light: #cc7273;
$custom-dark: #000000;

JSON

{
  "hex": "#ad303f",
  "rgb": {
    "r": 173,
    "g": 48,
    "b": 63
  },
  "hsl": {
    "h": 352.8,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50422,
    "c": 0.16053,
    "h": 18.6
  },
  "luminance": 0.11357
}

Semantic roles & 50–950 ramp

primary

#AD303F

secondary

#75C3BA

accent

#E0CE48

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD303F

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

Preview Lab → · Contrast checker → · Palette generator →