#AD2840#AD2840

#AD2840 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.7% C 0.168 H 16.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#AD2840
RGB	rgb(173, 40, 64)
HSL	hsl(349, 62%, 42%)
HSV	hsv(349, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 63%, 32.2%)
CIE-LAB	lab(39.20, 54.02, 19.35)
CIE-LCH	lch(39.20, 57.38, 19.71°)
OKLab	oklab(49.7% 0.1615 0.0468)
OKLCH	oklch(49.7% 0.168 16.2)
XYZ	xyz(18.9198, 10.7748, 5.9330)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2840 #28AD95

analogous

#AD2883 #AD2840 #AD5328

triadic

#AD2840 #40AD28 #2840AD

tetradic

#AD2840 #83AD28 #28AD95 #5328AD

square

#AD2840 #83AD28 #28AD95 #5328AD

split-complementary

#AD2840 #28AD53 #2883AD

monochromatic

#4A111B #7B1D2E #AD2840 #D33F5A #DE7185

Accessibility & contrast

On white

6.66

#AD2840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD2840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2840

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2840	#FFFFFF	#000000	##FFFFFF
##AD2840	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4B40

Deuteranopia (green-blind)

#6F663C

Tritanopia (blue-blind)

#BE0032

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2840;
/* rgb */ color: rgb(173, 40, 64);
/* oklch */ color: oklch(49.7% 0.168 16.2);

Tailwind

colors: {
  custom: {
    50: '#cd6e74',
    500: '#ad2840',
    950: '#000000',
  },
}

SCSS

$custom: #ad2840;
$custom-light: #cd6e74;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2840",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 64
  },
  "hsl": {
    "h": 349.173,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.497,
    "c": 0.16816,
    "h": 16.2
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary

#AD2840

secondary

#6CC5B5

accent

#E6C842

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD2840

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

Preview Lab → · Contrast checker → · Palette generator →