#AD2621#AD2621

#AD2621 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.172 H 27.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AD2621
RGB	rgb(173, 38, 33)
HSL	hsl(2, 68%, 40%)
HSV	hsv(2, 81%, 68%)
CMYK	cmyk(0%, 78%, 80.9%, 32.2%)
CIE-LAB	lab(38.52, 53.20, 37.28)
CIE-LCH	lch(38.52, 64.96, 35.02°)
OKLab	oklab(49.05% 0.1522 0.0804)
OKLCH	oklch(49.05% 0.172 27.8)
XYZ	xyz(18.2034, 10.3832, 2.4842)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2621 #21A8AD

analogous

#AD2162 #AD2621 #AD6C21

triadic

#AD2621 #21AD26 #2621AD

tetradic

#AD2621 #62AD21 #21A8AD #6C21AD

square

#AD2621 #62AD21 #21A8AD #6C21AD

split-complementary

#AD2621 #21AD6C #2162AD

monochromatic

#460F0D #7A1B17 #AD2621 #D83933 #E26B66

Accessibility & contrast

On white

6.83

#AD2621 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AD2621 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2621

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2621	#FFFFFF	#000000	##FFFFFF
##AD2621	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50481F

Deuteranopia (green-blind)

#72651A

Tritanopia (blue-blind)

#BF0027

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2621;
/* rgb */ color: rgb(173, 38, 33);
/* oklch */ color: oklch(49.1% 0.172 27.8);

Tailwind

colors: {
  custom: {
    50: '#cf6d5d',
    500: '#ad2621',
    950: '#000000',
  },
}

SCSS

$custom: #ad2621;
$custom-light: #cf6d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2621",
  "rgb": {
    "r": 173,
    "g": 38,
    "b": 33
  },
  "hsl": {
    "h": 2.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49053,
    "c": 0.17212,
    "h": 27.8
  },
  "luminance": 0.1038
}

Semantic roles & 50–950 ramp

primary

#AD2621

secondary

#62C4C7

accent

#E5EB3D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD2621

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

Preview Lab → · Contrast checker → · Palette generator →