#AD3D1B#AD3D1B

#AD3D1B is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.153 H 36.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#AD3D1B
RGB	rgb(173, 61, 27)
HSL	hsl(14, 73%, 39%)
HSV	hsv(14, 84%, 68%)
CMYK	cmyk(0%, 64.7%, 84.4%, 32.2%)
CIE-LAB	lab(41.69, 44.19, 43.35)
CIE-LCH	lch(41.69, 61.91, 44.45°)
OKLab	oklab(51.41% 0.1231 0.0917)
OKLCH	oklch(51.41% 0.153 36.7)
XYZ	xyz(19.1023, 12.3037, 2.4057)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3D1B #1B8BAD

analogous

#AD1B42 #AD3D1B #AD861B

triadic

#AD3D1B #1BAD3D #3D1BAD

tetradic

#AD3D1B #42AD1B #1B8BAD #861BAD

square

#AD3D1B #42AD1B #1B8BAD #861BAD

split-complementary

#AD3D1B #1BAD86 #1B42AD

monochromatic

#43180A #782A13 #AD3D1B #DD5228 #E67D5D

Accessibility & contrast

On white

6.07

#AD3D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#AD3D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3D1B

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3D1B	#FFFFFF	#000000	##FFFFFF
##AD3D1B	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5315

Deuteranopia (green-blind)

#796C15

Tritanopia (blue-blind)

#BF1D37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3d1b;
/* rgb */ color: rgb(173, 61, 27);
/* oklch */ color: oklch(51.4% 0.153 36.7);

Tailwind

colors: {
  custom: {
    50: '#ce785b',
    500: '#ad3d1b',
    950: '#000000',
  },
}

SCSS

$custom: #ad3d1b;
$custom-light: #ce785b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3d1b",
  "rgb": {
    "r": 173,
    "g": 61,
    "b": 27
  },
  "hsl": {
    "h": 13.973,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.51413,
    "c": 0.15349,
    "h": 36.7
  },
  "luminance": 0.12301
}

Semantic roles & 50–950 ramp

primary

#AD3D1B

secondary

#5AB0CA

accent

#C5F038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3D1B

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

Preview Lab → · Contrast checker → · Palette generator →