#AD2129#AD2129

#AD2129 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.8% C 0.175 H 24.2°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#AD2129
RGB	rgb(173, 33, 41)
HSL	hsl(357, 68%, 40%)
HSV	hsv(357, 81%, 68%)
CMYK	cmyk(0%, 80.9%, 76.3%, 32.2%)
CIE-LAB	lab(38.08, 54.97, 32.20)
CIE-LCH	lch(38.08, 63.70, 30.36°)
OKLab	oklab(48.76% 0.1595 0.0717)
OKLCH	oklch(48.76% 0.175 24.2)
XYZ	xyz(18.1799, 10.1350, 3.0964)
Luminance	0.1013 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2129 #21ADA5

analogous

#AD216F #AD2129 #AD5F21

triadic

#AD2129 #29AD21 #2129AD

tetradic

#AD2129 #6FAD21 #21ADA5 #5F21AD

square

#AD2129 #6FAD21 #21ADA5 #5F21AD

split-complementary

#AD2129 #21AD5F #216FAD

monochromatic

#460D11 #7A171D #AD2129 #D8333D #E2666E

Accessibility & contrast

On white

6.94

#AD2129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#AD2129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2129

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2129	#FFFFFF	#000000	##FFFFFF
##AD2129	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4628

Deuteranopia (green-blind)

#706423

Tritanopia (blue-blind)

#BF0026

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2129;
/* rgb */ color: rgb(173, 33, 41);
/* oklch */ color: oklch(48.8% 0.175 24.2);

Tailwind

colors: {
  custom: {
    50: '#ce6b63',
    500: '#ad2129',
    950: '#000000',
  },
}

SCSS

$custom: #ad2129;
$custom-light: #ce6b63;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2129",
  "rgb": {
    "r": 173,
    "g": 33,
    "b": 41
  },
  "hsl": {
    "h": 356.571,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48756,
    "c": 0.17488,
    "h": 24.2
  },
  "luminance": 0.10132
}

Semantic roles & 50–950 ramp

primary

#AD2129

secondary

#62C7C2

accent

#EBE13D

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #AD2129

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

Preview Lab → · Contrast checker → · Palette generator →