#AD3F27#AD3F27

#AD3F27 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.149 H 33.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#AD3F27
RGB	rgb(173, 63, 39)
HSL	hsl(11, 63%, 42%)
HSV	hsv(11, 77%, 68%)
CMYK	cmyk(0%, 63.6%, 77.5%, 32.2%)
CIE-LAB	lab(42.14, 43.70, 37.70)
CIE-LCH	lch(42.14, 57.71, 40.79°)
OKLab	oklab(51.78% 0.1237 0.0831)
OKLCH	oklch(51.78% 0.149 33.9)
XYZ	xyz(19.3794, 12.5885, 3.3284)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3F27 #2795AD

analogous

#AD2752 #AD3F27 #AD8227

triadic

#AD3F27 #27AD3F #3F27AD

tetradic

#AD3F27 #52AD27 #2795AD #8227AD

square

#AD3F27 #52AD27 #2795AD #8227AD

split-complementary

#AD3F27 #27AD82 #2752AD

monochromatic

#491B10 #7B2D1C #AD3F27 #D3593E #DF8470

Accessibility & contrast

On white

5.97

#AD3F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#AD3F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3F27

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3F27	#FFFFFF	#000000	##FFFFFF
##AD3F27	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5424

Deuteranopia (green-blind)

#796C23

Tritanopia (blue-blind)

#BE233A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3f27;
/* rgb */ color: rgb(173, 63, 39);
/* oklch */ color: oklch(51.8% 0.149 33.9);

Tailwind

colors: {
  custom: {
    50: '#cd7963',
    500: '#ad3f27',
    950: '#000000',
  },
}

SCSS

$custom: #ad3f27;
$custom-light: #cd7963;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3f27",
  "rgb": {
    "r": 173,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 10.746,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51779,
    "c": 0.14907,
    "h": 33.9
  },
  "luminance": 0.12586
}

Semantic roles & 50–950 ramp

primary

#AD3F27

secondary

#6AB5C6

accent

#C9E642

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3F27

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

Preview Lab → · Contrast checker → · Palette generator →