#AD321F#AD321F

#AD321F is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.163 H 31.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AD321F
RGB	rgb(173, 50, 31)
HSL	hsl(8, 70%, 40%)
HSV	hsv(8, 82%, 68%)
CMYK	cmyk(0%, 71.1%, 82.1%, 32.2%)
CIE-LAB	lab(40.03, 48.92, 39.83)
CIE-LCH	lch(40.03, 63.08, 39.15°)
OKLab	oklab(50.17% 0.1384 0.0853)
OKLCH	oklch(50.17% 0.163 31.6)
XYZ	xyz(18.6237, 11.2672, 2.4902)
Luminance	0.1126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD321F #1F9AAD

analogous

#AD1F53 #AD321F #AD791F

triadic

#AD321F #1FAD32 #321FAD

tetradic

#AD321F #53AD1F #1F9AAD #791FAD

square

#AD321F #53AD1F #1F9AAD #791FAD

split-complementary

#AD321F #1FAD79 #1F53AD

monochromatic

#45140C #792316 #AD321F #DA462F #E37463

Accessibility & contrast

On white

6.46

#AD321F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AD321F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD321F

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD321F	#FFFFFF	#000000	##FFFFFF
##AD321F	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)

#574D1B

Deuteranopia (green-blind)

#756819

Tritanopia (blue-blind)

#BF002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad321f;
/* rgb */ color: rgb(173, 50, 31);
/* oklch */ color: oklch(50.2% 0.163 31.6);

Tailwind

colors: {
  custom: {
    50: '#ce725d',
    500: '#ad321f',
    950: '#000000',
  },
}

SCSS

$custom: #ad321f;
$custom-light: #ce725d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad321f",
  "rgb": {
    "r": 173,
    "g": 50,
    "b": 31
  },
  "hsl": {
    "h": 8.028,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.5017,
    "c": 0.16257,
    "h": 31.6
  },
  "luminance": 0.11264
}

Semantic roles & 50–950 ramp

primary

#AD321F

secondary

#60BAC8

accent

#D5EC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AD321F

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

Preview Lab → · Contrast checker → · Palette generator →