#AD2733#AD2733

#AD2733 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 21.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AD2733
RGB	rgb(173, 39, 51)
HSL	hsl(355, 63%, 42%)
HSV	hsv(355, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 70.5%, 32.2%)
CIE-LAB	lab(38.86, 53.61, 27.03)
CIE-LCH	lch(38.86, 60.04, 26.76°)
OKLab	oklab(49.38% 0.1574 0.0625)
OKLCH	oklch(49.38% 0.169 21.7)
XYZ	xyz(18.5587, 10.5772, 4.1957)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2733 #27ADA1

analogous

#AD2776 #AD2733 #AD5E27

triadic

#AD2733 #33AD27 #2733AD

tetradic

#AD2733 #76AD27 #27ADA1 #5E27AD

square

#AD2733 #76AD27 #27ADA1 #5E27AD

split-complementary

#AD2733 #27AD5E #2776AD

monochromatic

#491016 #7B1C24 #AD2733 #D33E4B #DF707A

Accessibility & contrast

On white

6.74

#AD2733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD2733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2733

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2733	#FFFFFF	#000000	##FFFFFF
##AD2733	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4932

Deuteranopia (green-blind)

#70662F

Tritanopia (blue-blind)

#BE002D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2733;
/* rgb */ color: rgb(173, 39, 51);
/* oklch */ color: oklch(49.4% 0.169 21.7);

Tailwind

colors: {
  custom: {
    50: '#ce6d6a',
    500: '#ad2733',
    950: '#000000',
  },
}

SCSS

$custom: #ad2733;
$custom-light: #ce6d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2733",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 51
  },
  "hsl": {
    "h": 354.627,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49375,
    "c": 0.1694,
    "h": 21.7
  },
  "luminance": 0.10574
}

Semantic roles & 50–950 ramp

primary

#AD2733

secondary

#6AC6BD

accent

#E6D742

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD2733

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

Preview Lab → · Contrast checker → · Palette generator →