#AD3143#AD3143

#AD3143 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.159 H 16.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#AD3143
RGB	rgb(173, 49, 67)
HSL	hsl(351, 56%, 44%)
HSV	hsv(351, 72%, 68%)
CMYK	cmyk(0%, 71.7%, 61.3%, 32.2%)
CIE-LAB	lab(40.39, 51.05, 19.03)
CIE-LCH	lch(40.39, 54.48, 20.44°)
OKLab	oklab(50.6% 0.1526 0.0464)
OKLCH	oklch(50.6% 0.159 16.9)
XYZ	xyz(19.3469, 11.4889, 6.5079)
Luminance	0.1149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3143 #31AD9B

analogous

#AD3181 #AD3143 #AD5D31

triadic

#AD3143 #43AD31 #3143AD

tetradic

#AD3143 #81AD31 #31AD9B #5D31AD

square

#AD3143 #81AD31 #31AD9B #5D31AD

split-complementary

#AD3143 #31AD5D #3181AD

monochromatic

#4E161E #7D2331 #AD3143 #CD4E61 #DA7E8B

Accessibility & contrast

On white

6.37

#AD3143 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#AD3143 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3143

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3143	#FFFFFF	#000000	##FFFFFF
##AD3143	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F43

Deuteranopia (green-blind)

#726940

Tritanopia (blue-blind)

#BE0D39

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3143;
/* rgb */ color: rgb(173, 49, 67);
/* oklch */ color: oklch(50.6% 0.159 16.9);

Tailwind

colors: {
  custom: {
    50: '#cc7277',
    500: '#ad3143',
    950: '#000000',
  },
}

SCSS

$custom: #ad3143;
$custom-light: #cc7277;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3143",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 67
  },
  "hsl": {
    "h": 351.29,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50604,
    "c": 0.15946,
    "h": 16.9
  },
  "luminance": 0.11486
}

Semantic roles & 50–950 ramp

primary

#AD3143

secondary

#77C3B8

accent

#DFC949

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD3143

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

Preview Lab → · Contrast checker → · Palette generator →