#AD2838#AD2838

#AD2838 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 19.8°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#AD2838
RGB	rgb(173, 40, 56)
HSL	hsl(353, 62%, 42%)
HSV	hsv(353, 77%, 68%)
CMYK	cmyk(0%, 76.9%, 67.6%, 32.2%)
CIE-LAB	lab(39.05, 53.55, 24.18)
CIE-LCH	lch(39.05, 58.75, 24.30°)
OKLab	oklab(49.55% 0.1583 0.0569)
OKLCH	oklch(49.55% 0.168 19.8)
XYZ	xyz(18.7082, 10.6902, 4.8189)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2838 #28AD9D

analogous

#AD287B #AD2838 #AD5B28

triadic

#AD2838 #38AD28 #2838AD

tetradic

#AD2838 #7BAD28 #28AD9D #5B28AD

square

#AD2838 #7BAD28 #28AD9D #5B28AD

split-complementary

#AD2838 #28AD5B #287BAD

monochromatic

#4A1118 #7B1D28 #AD2838 #D33F51 #DE717E

Accessibility & contrast

On white

6.69

#AD2838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2838

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2838	#FFFFFF	#000000	##FFFFFF
##AD2838	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A38

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#BE002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2838;
/* rgb */ color: rgb(173, 40, 56);
/* oklch */ color: oklch(49.5% 0.168 19.8);

Tailwind

colors: {
  custom: {
    50: '#cd6e6e',
    500: '#ad2838',
    950: '#000000',
  },
}

SCSS

$custom: #ad2838;
$custom-light: #cd6e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2838",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 56
  },
  "hsl": {
    "h": 352.782,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49545,
    "c": 0.16826,
    "h": 19.8
  },
  "luminance": 0.10687
}

Semantic roles & 50–950 ramp

primary

#AD2838

secondary

#6CC5BA

accent

#E6D242

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2838

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

Preview Lab → · Contrast checker → · Palette generator →