#AD391B#AD391B

#AD391B is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.157 H 35.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#AD391B
RGB	rgb(173, 57, 27)
HSL	hsl(12, 73%, 39%)
HSV	hsv(12, 84%, 68%)
CMYK	cmyk(0%, 67.1%, 84.4%, 32.2%)
CIE-LAB	lab(41.04, 45.94, 42.77)
CIE-LCH	lch(41.04, 62.77, 42.95°)
OKLab	oklab(50.92% 0.1285 0.0904)
OKLCH	oklch(50.92% 0.157 35.1)
XYZ	xyz(18.8967, 11.8924, 2.3372)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD391B #1B8FAD

analogous

#AD1B46 #AD391B #AD821B

triadic

#AD391B #1BAD39 #391BAD

tetradic

#AD391B #46AD1B #1B8FAD #821BAD

square

#AD391B #46AD1B #1B8FAD #821BAD

split-complementary

#AD391B #1BAD82 #1B46AD

monochromatic

#43160A #782813 #AD391B #DD4D28 #E6795D

Accessibility & contrast

On white

6.22

#AD391B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AD391B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD391B

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD391B	#FFFFFF	#000000	##FFFFFF
##AD391B	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5016

Deuteranopia (green-blind)

#786A15

Tritanopia (blue-blind)

#BF1433

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad391b;
/* rgb */ color: rgb(173, 57, 27);
/* oklch */ color: oklch(50.9% 0.157 35.1);

Tailwind

colors: {
  custom: {
    50: '#ce755b',
    500: '#ad391b',
    950: '#000000',
  },
}

SCSS

$custom: #ad391b;
$custom-light: #ce755b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad391b",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 12.329,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.50924,
    "c": 0.15708,
    "h": 35.1
  },
  "luminance": 0.1189
}

Semantic roles & 50–950 ramp

primary

#AD391B

secondary

#5AB3CA

accent

#CAF038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD391B

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

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