#AD321C#AD321C

#AD321C is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.163 H 32.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AD321C
RGB	rgb(173, 50, 28)
HSL	hsl(9, 72%, 39%)
HSV	hsv(9, 84%, 68%)
CMYK	cmyk(0%, 71.1%, 83.8%, 32.2%)
CIE-LAB	lab(40.00, 48.83, 41.34)
CIE-LCH	lch(40.00, 63.97, 40.25°)
OKLab	oklab(50.14% 0.1376 0.0875)
OKLCH	oklch(50.14% 0.163 32.5)
XYZ	xyz(18.5860, 11.2521, 2.2916)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD321C #1C97AD

analogous

#AD1C4F #AD321C #AD7A1C

triadic

#AD321C #1CAD32 #321CAD

tetradic

#AD321C #4FAD1C #1C97AD #7A1CAD

square

#AD321C #4FAD1C #1C97AD #7A1CAD

split-complementary

#AD321C #1CAD7A #1C4FAD

monochromatic

#44140B #782313 #AD321C #DC452A #E5735E

Accessibility & contrast

On white

6.46

#AD321C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AD321C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD321C

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD321C	#FFFFFF	#000000	##FFFFFF
##AD321C	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D18

Deuteranopia (green-blind)

#756815

Tritanopia (blue-blind)

#BF002E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad321c;
/* rgb */ color: rgb(173, 50, 28);
/* oklch */ color: oklch(50.1% 0.163 32.5);

Tailwind

colors: {
  custom: {
    50: '#cf725b',
    500: '#ad321c',
    950: '#000000',
  },
}

SCSS

$custom: #ad321c;
$custom-light: #cf725b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad321c",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 28
  },
  "hsl": {
    "h": 9.103,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50144,
    "c": 0.16306,
    "h": 32.5
  },
  "luminance": 0.11249
}

Semantic roles & 50–950 ramp

primary

#AD321C

secondary

#5CB9C9

accent

#D3EF39

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD321C

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

Preview Lab → · Contrast checker → · Palette generator →