#AD303D#AD303D

#AD303D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.161 H 19.5°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#AD303D
RGB	rgb(173, 48, 61)
HSL	hsl(354, 57%, 43%)
HSV	hsv(354, 72%, 68%)
CMYK	cmyk(0%, 72.3%, 64.7%, 32.2%)
CIE-LAB	lab(40.14, 51.04, 22.45)
CIE-LCH	lch(40.14, 55.76, 23.74°)
OKLab	oklab(50.38% 0.1514 0.0536)
OKLCH	oklch(50.38% 0.161 19.5)
XYZ	xyz(19.1348, 11.3379, 5.5948)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD303D #30ADA0

analogous

#AD307B #AD303D #AD6130

triadic

#AD303D #3DAD30 #303DAD

tetradic

#AD303D #7BAD30 #30ADA0 #6130AD

square

#AD303D #7BAD30 #30ADA0 #6130AD

split-complementary

#AD303D #30AD61 #307BAD

monochromatic

#4D151B #7D232C #AD303D #CE4D5A #DB7D86

Accessibility & contrast

On white

6.43

#AD303D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AD303D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD303D

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD303D	#FFFFFF	#000000	##FFFFFF
##AD303D	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E3D

Deuteranopia (green-blind)

#726839

Tritanopia (blue-blind)

#BE0536

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad303d;
/* rgb */ color: rgb(173, 48, 61);
/* oklch */ color: oklch(50.4% 0.161 19.5);

Tailwind

colors: {
  custom: {
    50: '#cd7272',
    500: '#ad303d',
    950: '#000000',
  },
}

SCSS

$custom: #ad303d;
$custom-light: #cd7272;
$custom-dark: #000000;

JSON

{
  "hex": "#ad303d",
  "rgb": {
    "r": 173,
    "g": 48,
    "b": 61
  },
  "hsl": {
    "h": 353.76,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50383,
    "c": 0.1606,
    "h": 19.5
  },
  "luminance": 0.11335
}

Semantic roles & 50–950 ramp

primary

#AD303D

secondary

#75C3BB

accent

#E0D048

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD303D

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

Preview Lab → · Contrast checker → · Palette generator →