#AD391F#AD391F

#AD391F is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.156 H 34.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#AD391F
RGB	rgb(173, 57, 31)
HSL	hsl(11, 70%, 40%)
HSV	hsv(11, 82%, 68%)
CMYK	cmyk(0%, 67.1%, 82.1%, 32.2%)
CIE-LAB	lab(41.08, 46.06, 40.83)
CIE-LCH	lch(41.08, 61.55, 41.56°)
OKLab	oklab(50.96% 0.1296 0.0875)
OKLCH	oklch(50.96% 0.156 34)
XYZ	xyz(18.9462, 11.9122, 2.5977)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD391F #1F93AD

analogous

#AD1F4C #AD391F #AD801F

triadic

#AD391F #1FAD39 #391FAD

tetradic

#AD391F #4CAD1F #1F93AD #801FAD

square

#AD391F #4CAD1F #1F93AD #801FAD

split-complementary

#AD391F #1FAD80 #1F4CAD

monochromatic

#45170C #792816 #AD391F #DA4F2F #E37B63

Accessibility & contrast

On white

6.21

#AD391F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AD391F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD391F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD391F	#FFFFFF	#000000	##FFFFFF
##AD391F	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)

#5B511B

Deuteranopia (green-blind)

#776A1A

Tritanopia (blue-blind)

#BF1534

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad391f;
/* rgb */ color: rgb(173, 57, 31);
/* oklch */ color: oklch(51.0% 0.156 34.0);

Tailwind

colors: {
  custom: {
    50: '#ce765d',
    500: '#ad391f',
    950: '#000000',
  },
}

SCSS

$custom: #ad391f;
$custom-light: #ce765d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad391f",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 31
  },
  "hsl": {
    "h": 10.986,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.50957,
    "c": 0.15633,
    "h": 34
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#AD391F

secondary

#60B5C8

accent

#CCEC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD391F

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

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