#AD321D#AD321D

#AD321D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.163 H 32.2°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AD321D
RGB	rgb(173, 50, 29)
HSL	hsl(9, 71%, 40%)
HSV	hsv(9, 83%, 68%)
CMYK	cmyk(0%, 71.1%, 83.2%, 32.2%)
CIE-LAB	lab(40.01, 48.86, 40.84)
CIE-LCH	lch(40.01, 63.68, 39.89°)
OKLab	oklab(50.15% 0.1379 0.0868)
OKLCH	oklch(50.15% 0.163 32.2)
XYZ	xyz(18.5982, 11.2570, 2.3557)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD321D #1D98AD

analogous

#AD1D50 #AD321D #AD7A1D

triadic

#AD321D #1DAD32 #321DAD

tetradic

#AD321D #50AD1D #1D98AD #7A1DAD

square

#AD321D #50AD1D #1D98AD #7A1DAD

split-complementary

#AD321D #1DAD7A #1D50AD

monochromatic

#44140B #792314 #AD321D #DC452C #E47360

Accessibility & contrast

On white

6.46

#AD321D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AD321D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD321D

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD321D	#FFFFFF	#000000	##FFFFFF
##AD321D	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)

#574D19

Deuteranopia (green-blind)

#756817

Tritanopia (blue-blind)

#BF002E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad321d;
/* rgb */ color: rgb(173, 50, 29);
/* oklch */ color: oklch(50.2% 0.163 32.2);

Tailwind

colors: {
  custom: {
    50: '#cf725b',
    500: '#ad321d',
    950: '#000000',
  },
}

SCSS

$custom: #ad321d;
$custom-light: #cf725b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad321d",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 29
  },
  "hsl": {
    "h": 8.75,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50152,
    "c": 0.1629,
    "h": 32.2
  },
  "luminance": 0.11254
}

Semantic roles & 50–950 ramp

primary

#AD321D

secondary

#5DB9C9

accent

#D4EE3A

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD321D

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

Preview Lab → · Contrast checker → · Palette generator →