#AD303C#AD303C

#AD303C is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.161 H 20.0°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#AD303C
RGB	rgb(173, 48, 60)
HSL	hsl(354, 57%, 43%)
HSV	hsv(354, 72%, 68%)
CMYK	cmyk(0%, 72.3%, 65.3%, 32.2%)
CIE-LAB	lab(40.13, 50.98, 23.04)
CIE-LCH	lch(40.13, 55.95, 24.32°)
OKLab	oklab(50.37% 0.151 0.0549)
OKLCH	oklch(50.37% 0.161 20)
XYZ	xyz(19.1081, 11.3272, 5.4543)
Luminance	0.1132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD303C #30ADA1

analogous

#AD307A #AD303C #AD6230

triadic

#AD303C #3CAD30 #303CAD

tetradic

#AD303C #7AAD30 #30ADA1 #6230AD

square

#AD303C #7AAD30 #30ADA1 #6230AD

split-complementary

#AD303C #30AD62 #307AAD

monochromatic

#4D151B #7D232B #AD303C #CE4D59 #DB7D86

Accessibility & contrast

On white

6.43

#AD303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AD303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD303C

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD303C	#FFFFFF	#000000	##FFFFFF
##AD303C	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)

#534E3C

Deuteranopia (green-blind)

#726838

Tritanopia (blue-blind)

#BE0535

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad303c;
/* rgb */ color: rgb(173, 48, 60);
/* oklch */ color: oklch(50.4% 0.161 20.0);

Tailwind

colors: {
  custom: {
    50: '#cd7271',
    500: '#ad303c',
    950: '#000000',
  },
}

SCSS

$custom: #ad303c;
$custom-light: #cd7271;
$custom-dark: #000000;

JSON

{
  "hex": "#ad303c",
  "rgb": {
    "r": 173,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 354.24,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50365,
    "c": 0.16065,
    "h": 20
  },
  "luminance": 0.11324
}

Semantic roles & 50–950 ramp

primary

#AD303C

secondary

#75C3BC

accent

#E0D148

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD303C

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

Preview Lab → · Contrast checker → · Palette generator →