#AD3921#AD3921

#AD3921 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.156 H 33.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#AD3921
RGB	rgb(173, 57, 33)
HSL	hsl(10, 68%, 40%)
HSV	hsv(10, 81%, 68%)
CMYK	cmyk(0%, 67.1%, 80.9%, 32.2%)
CIE-LAB	lab(41.09, 46.12, 39.82)
CIE-LCH	lch(41.09, 60.94, 40.81°)
OKLab	oklab(50.98% 0.1301 0.086)
OKLCH	oklch(50.98% 0.156 33.5)
XYZ	xyz(18.9734, 11.9231, 2.7409)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3921 #2195AD

analogous

#AD214F #AD3921 #AD7F21

triadic

#AD3921 #21AD39 #3921AD

tetradic

#AD3921 #4FAD21 #2195AD #7F21AD

square

#AD3921 #4FAD21 #2195AD #7F21AD

split-complementary

#AD3921 #21AD7F #214FAD

monochromatic

#46170D #7A2817 #AD3921 #D84F33 #E27C66

Accessibility & contrast

On white

6.21

#AD3921 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AD3921 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3921

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3921	#FFFFFF	#000000	##FFFFFF
##AD3921	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511D

Deuteranopia (green-blind)

#776A1C

Tritanopia (blue-blind)

#BF1534

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3921;
/* rgb */ color: rgb(173, 57, 33);
/* oklch */ color: oklch(51.0% 0.156 33.5);

Tailwind

colors: {
  custom: {
    50: '#ce765e',
    500: '#ad3921',
    950: '#000000',
  },
}

SCSS

$custom: #ad3921;
$custom-light: #ce765e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3921",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 33
  },
  "hsl": {
    "h": 10.286,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50976,
    "c": 0.15594,
    "h": 33.5
  },
  "luminance": 0.1192
}

Semantic roles & 50–950 ramp

primary

#AD3921

secondary

#62B6C7

accent

#CDEB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3921

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

Preview Lab → · Contrast checker → · Palette generator →