#AD3440#AD3440

#AD3440 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.156 H 19.2°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#AD3440
RGB	rgb(173, 52, 64)
HSL	hsl(354, 54%, 44%)
HSV	hsv(354, 70%, 68%)
CMYK	cmyk(0%, 69.9%, 63%, 32.2%)
CIE-LAB	lab(40.76, 49.69, 21.37)
CIE-LCH	lch(40.76, 54.10, 23.27°)
OKLab	oklab(50.86% 0.1477 0.0515)
OKLCH	oklch(50.86% 0.156 19.2)
XYZ	xyz(19.3889, 11.7131, 6.0894)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3440 #34ADA1

analogous

#AD347D #AD3440 #AD6534

triadic

#AD3440 #40AD34 #3440AD

tetradic

#AD3440 #7DAD34 #34ADA1 #6534AD

square

#AD3440 #7DAD34 #34ADA1 #6534AD

split-complementary

#AD3440 #34AD65 #347DAD

monochromatic

#4F181D #7E262F #AD3440 #CB535F #D9828B

Accessibility & contrast

On white

6.28

#AD3440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AD3440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3440

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3440	#FFFFFF	#000000	##FFFFFF
##AD3440	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545040

Deuteranopia (green-blind)

#73693D

Tritanopia (blue-blind)

#BE1439

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3440;
/* rgb */ color: rgb(173, 52, 64);
/* oklch */ color: oklch(50.9% 0.156 19.2);

Tailwind

colors: {
  custom: {
    50: '#cc7474',
    500: '#ad3440',
    950: '#000000',
  },
}

SCSS

$custom: #ad3440;
$custom-light: #cc7474;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3440",
  "rgb": {
    "r": 173,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.05,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50858,
    "c": 0.15639,
    "h": 19.2
  },
  "luminance": 0.1171
}

Semantic roles & 50–950 ramp

primary

#AD3440

secondary

#7AC3BC

accent

#DDCF4B

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD3440

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

Preview Lab → · Contrast checker → · Palette generator →