#AD3321#AD3321

#AD3321 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.161 H 31.4°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#AD3321
RGB	rgb(173, 51, 33)
HSL	hsl(8, 68%, 40%)
HSV	hsv(8, 81%, 68%)
CMYK	cmyk(0%, 70.5%, 80.9%, 32.2%)
CIE-LAB	lab(40.19, 48.59, 38.93)
CIE-LCH	lch(40.19, 62.26, 38.70°)
OKLab	oklab(50.3% 0.1378 0.084)
OKLCH	oklch(50.3% 0.161 31.4)
XYZ	xyz(18.6941, 11.3645, 2.6478)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3321 #219BAD

analogous

#AD2155 #AD3321 #AD7921

triadic

#AD3321 #21AD33 #3321AD

tetradic

#AD3321 #55AD21 #219BAD #7921AD

square

#AD3321 #55AD21 #219BAD #7921AD

split-complementary

#AD3321 #21AD79 #2155AD

monochromatic

#46150D #7A2417 #AD3321 #D84833 #E27666

Accessibility & contrast

On white

6.42

#AD3321 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AD3321 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3321

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3321	#FFFFFF	#000000	##FFFFFF
##AD3321	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1E

Deuteranopia (green-blind)

#75691B

Tritanopia (blue-blind)

#BF0130

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3321;
/* rgb */ color: rgb(173, 51, 33);
/* oklch */ color: oklch(50.3% 0.161 31.4);

Tailwind

colors: {
  custom: {
    50: '#ce725e',
    500: '#ad3321',
    950: '#000000',
  },
}

SCSS

$custom: #ad3321;
$custom-light: #ce725e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3321",
  "rgb": {
    "r": 173,
    "g": 51,
    "b": 33
  },
  "hsl": {
    "h": 7.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50296,
    "c": 0.16136,
    "h": 31.4
  },
  "luminance": 0.11362
}

Semantic roles & 50–950 ramp

primary

#AD3321

secondary

#62BAC7

accent

#D4EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AD3321

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

Preview Lab → · Contrast checker → · Palette generator →