#AD2837#AD2837

#AD2837 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 20.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AD2837
RGB	rgb(173, 40, 55)
HSL	hsl(353, 62%, 42%)
HSV	hsv(353, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 68.2%, 32.2%)
CIE-LAB	lab(39.04, 53.49, 24.78)
CIE-LCH	lch(39.04, 58.95, 24.85°)
OKLab	oklab(49.53% 0.1579 0.0582)
OKLCH	oklch(49.53% 0.168 20.2)
XYZ	xyz(18.6840, 10.6805, 4.6914)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2837 #28AD9E

analogous

#AD287A #AD2837 #AD5C28

triadic

#AD2837 #37AD28 #2837AD

tetradic

#AD2837 #7AAD28 #28AD9E #5C28AD

square

#AD2837 #7AAD28 #28AD9E #5C28AD

split-complementary

#AD2837 #28AD5C #287AAD

monochromatic

#4A1117 #7B1D27 #AD2837 #D33F50 #DE717D

Accessibility & contrast

On white

6.70

#AD2837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2837

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2837	#FFFFFF	#000000	##FFFFFF
##AD2837	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A37

Deuteranopia (green-blind)

#706633

Tritanopia (blue-blind)

#BE002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2837;
/* rgb */ color: rgb(173, 40, 55);
/* oklch */ color: oklch(49.5% 0.168 20.2);

Tailwind

colors: {
  custom: {
    50: '#cd6e6d',
    500: '#ad2837',
    950: '#000000',
  },
}

SCSS

$custom: #ad2837;
$custom-light: #cd6e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2837",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 55
  },
  "hsl": {
    "h": 353.233,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49528,
    "c": 0.1683,
    "h": 20.2
  },
  "luminance": 0.10678
}

Semantic roles & 50–950 ramp

primary

#AD2837

secondary

#6CC5BB

accent

#E6D342

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2837

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

Preview Lab → · Contrast checker → · Palette generator →