#AD3139#AD3139

#AD3139 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.160 H 21.6°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#AD3139
RGB	rgb(173, 49, 57)
HSL	hsl(356, 56%, 44%)
HSV	hsv(356, 72%, 68%)
CMYK	cmyk(0%, 71.7%, 67.1%, 32.2%)
CIE-LAB	lab(40.21, 50.43, 25.00)
CIE-LCH	lch(40.21, 56.29, 26.37°)
OKLab	oklab(50.41% 0.1486 0.0589)
OKLCH	oklch(50.41% 0.16 21.6)
XYZ	xyz(19.0724, 11.3791, 5.0622)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3139 #31ADA5

analogous

#AD3177 #AD3139 #AD6731

triadic

#AD3139 #39AD31 #3139AD

tetradic

#AD3139 #77AD31 #31ADA5 #6731AD

square

#AD3139 #77AD31 #31ADA5 #6731AD

split-complementary

#AD3139 #31AD67 #3177AD

monochromatic

#4E161A #7D2329 #AD3139 #CD4E56 #DA7E84

Accessibility & contrast

On white

6.41

#AD3139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AD3139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3139

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3139	#FFFFFF	#000000	##FFFFFF
##AD3139	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E38

Deuteranopia (green-blind)

#736835

Tritanopia (blue-blind)

#BE0635

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3139;
/* rgb */ color: rgb(173, 49, 57);
/* oklch */ color: oklch(50.4% 0.160 21.6);

Tailwind

colors: {
  custom: {
    50: '#cd726f',
    500: '#ad3139',
    950: '#000000',
  },
}

SCSS

$custom: #ad3139;
$custom-light: #cd726f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3139",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.129,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50412,
    "c": 0.15986,
    "h": 21.6
  },
  "luminance": 0.11376
}

Semantic roles & 50–950 ramp

primary

#AD3139

secondary

#77C3BE

accent

#DFD549

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD3139

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

Preview Lab → · Contrast checker → · Palette generator →