#AD302B#AD302B

#AD302B is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.162 H 27.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#AD302B
RGB	rgb(173, 48, 43)
HSL	hsl(2, 60%, 42%)
HSV	hsv(2, 75%, 68%)
CMYK	cmyk(0%, 72.3%, 75.1%, 32.2%)
CIE-LAB	lab(39.87, 50.12, 33.01)
CIE-LCH	lch(39.87, 60.01, 33.37°)
OKLab	oklab(50.1% 0.1446 0.074)
OKLCH	oklch(50.1% 0.162 27.1)
XYZ	xyz(18.7287, 11.1754, 3.4559)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD302B #2BA8AD

analogous

#AD2B67 #AD302B #AD712B

triadic

#AD302B #2BAD30 #302BAD

tetradic

#AD302B #67AD2B #2BA8AD #712BAD

square

#AD302B #67AD2B #2BA8AD #712BAD

split-complementary

#AD302B #2BAD71 #2B67AD

monochromatic

#4B1513 #7C221F #AD302B #D14A45 #DD7A76

Accessibility & contrast

On white

6.49

#AD302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AD302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD302B

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD302B	#FFFFFF	#000000	##FFFFFF
##AD302B	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D29

Deuteranopia (green-blind)

#746826

Tritanopia (blue-blind)

#BF0030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad302b;
/* rgb */ color: rgb(173, 48, 43);
/* oklch */ color: oklch(50.1% 0.162 27.1);

Tailwind

colors: {
  custom: {
    50: '#ce7165',
    500: '#ad302b',
    950: '#000000',
  },
}

SCSS

$custom: #ad302b;
$custom-light: #ce7165;
$custom-dark: #000000;

JSON

{
  "hex": "#ad302b",
  "rgb": {
    "r": 173,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.308,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50096,
    "c": 0.16244,
    "h": 27.1
  },
  "luminance": 0.11173
}

Semantic roles & 50–950 ramp

primary

#AD302B

secondary

#6FC1C4

accent

#DDE344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD302B

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

Preview Lab → · Contrast checker → · Palette generator →