#AD5151#AD5151

#AD5151 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.0% C 0.121 H 21.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#AD5151
RGB	rgb(173, 81, 81)
HSL	hsl(0, 36%, 50%)
HSV	hsv(0, 53%, 68%)
CMYK	cmyk(0%, 53.2%, 53.2%, 32.2%)
CIE-LAB	lab(46.13, 37.61, 18.08)
CIE-LCH	lch(46.13, 41.73, 25.67°)
OKLab	oklab(55% 0.1123 0.045)
OKLCH	oklch(55% 0.121 21.8)
XYZ	xyz(21.6629, 15.3656, 9.6080)
Luminance	0.1536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD5151 #51ADAD

analogous

#AD517F #AD5151 #AD7F51

triadic

#AD5151 #51AD51 #5151AD

tetradic

#AD5151 #7FAD51 #51ADAD #7F51AD

square

#AD5151 #7FAD51 #51ADAD #7F51AD

split-complementary

#AD5151 #51AD7F #517FAD

monochromatic

#5A2A2A #833D3D #AD5151 #C17A7A #D4A4A4

Accessibility & contrast

On white

5.16

#AD5151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#AD5151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD5151

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD5151	#FFFFFF	#000000	##FFFFFF
##AD5151	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666150

Deuteranopia (green-blind)

#7D754F

Tritanopia (blue-blind)

#BC4352

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #ad5151;
/* rgb */ color: rgb(173, 81, 81);
/* oklch */ color: oklch(55.0% 0.121 21.8);

Tailwind

colors: {
  custom: {
    50: '#ca8481',
    500: '#ad5151',
    950: '#000000',
  },
}

SCSS

$custom: #ad5151;
$custom-light: #ca8481;
$custom-dark: #000000;

JSON

{
  "hex": "#ad5151",
  "rgb": {
    "r": 173,
    "g": 81,
    "b": 81
  },
  "hsl": {
    "h": 0,
    "s": 36.22,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.12097,
    "h": 21.8
  },
  "luminance": 0.15363
}

Semantic roles & 50–950 ramp

primary

#AD5151

secondary

#98C2C2

accent

#CCCC5C

background

#FCF8F7

surface

#F9EFEE

border

#D2CAC9

text

#140B0A

muted

#827C7C

Preview Lab

Preview with #AD5151

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

Preview Lab → · Contrast checker → · Palette generator →