#AD3B1A#AD3B1A

#AD3B1A is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.155 H 36.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#AD3B1A
RGB	rgb(173, 59, 26)
HSL	hsl(13, 74%, 39%)
HSV	hsv(13, 85%, 68%)
CMYK	cmyk(0%, 65.9%, 85%, 32.2%)
CIE-LAB	lab(41.36, 45.05, 43.52)
CIE-LCH	lch(41.36, 62.64, 44.01°)
OKLab	oklab(51.16% 0.1256 0.0917)
OKLCH	oklch(51.16% 0.155 36.1)
XYZ	xyz(18.9862, 12.0896, 2.3109)
Luminance	0.1209 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3B1A #1A8CAD

analogous

#AD1A43 #AD3B1A #AD851A

triadic

#AD3B1A #1AAD3B #3B1AAD

tetradic

#AD3B1A #43AD1A #1A8CAD #851AAD

square

#AD3B1A #43AD1A #1A8CAD #851AAD

split-complementary

#AD3B1A #1AAD85 #1A43AD

monochromatic

#43170A #782912 #AD3B1A #DE4F26 #E67A5B

Accessibility & contrast

On white

6.15

#AD3B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AD3B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B1A

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3B1A	#FFFFFF	#000000	##FFFFFF
##AD3B1A	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5114

Deuteranopia (green-blind)

#786B14

Tritanopia (blue-blind)

#BF1935

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3b1a;
/* rgb */ color: rgb(173, 59, 26);
/* oklch */ color: oklch(51.2% 0.155 36.1);

Tailwind

colors: {
  custom: {
    50: '#ce775a',
    500: '#ad3b1a',
    950: '#000000',
  },
}

SCSS

$custom: #ad3b1a;
$custom-light: #ce775a;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3b1a",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 26
  },
  "hsl": {
    "h": 13.469,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.51157,
    "c": 0.15548,
    "h": 36.1
  },
  "luminance": 0.12087
}

Semantic roles & 50–950 ramp

primary

#AD3B1A

secondary

#59B1CA

accent

#C7F137

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3B1A

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

Preview Lab → · Contrast checker → · Palette generator →