#AD391C#AD391C

#AD391C is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.157 H 34.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#AD391C
RGB	rgb(173, 57, 28)
HSL	hsl(12, 72%, 39%)
HSV	hsv(12, 84%, 68%)
CMYK	cmyk(0%, 67.1%, 83.8%, 32.2%)
CIE-LAB	lab(41.05, 45.97, 42.30)
CIE-LCH	lch(41.05, 62.47, 42.62°)
OKLab	oklab(50.93% 0.1288 0.0897)
OKLCH	oklch(50.93% 0.157 34.9)
XYZ	xyz(18.9085, 11.8972, 2.3991)
Luminance	0.1189 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD391C #1C90AD

analogous

#AD1C48 #AD391C #AD821C

triadic

#AD391C #1CAD39 #391CAD

tetradic

#AD391C #48AD1C #1C90AD #821CAD

square

#AD391C #48AD1C #1C90AD #821CAD

split-complementary

#AD391C #1CAD82 #1C48AD

monochromatic

#44160B #782813 #AD391C #DC4D2A #E5795E

Accessibility & contrast

On white

6.22

#AD391C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AD391C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD391C

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD391C	#FFFFFF	#000000	##FFFFFF
##AD391C	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)

#5B5017

Deuteranopia (green-blind)

#776A16

Tritanopia (blue-blind)

#BF1434

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad391c;
/* rgb */ color: rgb(173, 57, 28);
/* oklch */ color: oklch(50.9% 0.157 34.9);

Tailwind

colors: {
  custom: {
    50: '#ce755b',
    500: '#ad391c',
    950: '#000000',
  },
}

SCSS

$custom: #ad391c;
$custom-light: #ce755b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad391c",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 12,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50932,
    "c": 0.15689,
    "h": 34.9
  },
  "luminance": 0.11894
}

Semantic roles & 50–950 ramp

primary

#AD391C

secondary

#5CB3C9

accent

#CAEF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD391C

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

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