#AD3727#AD3727

#AD3727 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.157 H 30.8°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#AD3727
RGB	rgb(173, 55, 39)
HSL	hsl(7, 63%, 42%)
HSV	hsv(7, 77%, 68%)
CMYK	cmyk(0%, 68.2%, 77.5%, 32.2%)
CIE-LAB	lab(40.84, 47.18, 36.34)
CIE-LCH	lch(40.84, 59.55, 37.60°)
OKLab	oklab(50.81% 0.1346 0.0802)
OKLCH	oklch(50.81% 0.157 30.8)
XYZ	xyz(18.9681, 11.7659, 3.1913)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3727 #279DAD

analogous

#AD275A #AD3727 #AD7A27

triadic

#AD3727 #27AD37 #3727AD

tetradic

#AD3727 #5AAD27 #279DAD #7A27AD

square

#AD3727 #5AAD27 #279DAD #7A27AD

split-complementary

#AD3727 #27AD7A #275AAD

monochromatic

#491710 #7B271C #AD3727 #D3503E #DF7D70

Accessibility & contrast

On white

6.26

#AD3727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AD3727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3727

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3727	#FFFFFF	#000000	##FFFFFF
##AD3727	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#766A22

Tritanopia (blue-blind)

#BF1134

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3727;
/* rgb */ color: rgb(173, 55, 39);
/* oklch */ color: oklch(50.8% 0.157 30.8);

Tailwind

colors: {
  custom: {
    50: '#ce7562',
    500: '#ad3727',
    950: '#000000',
  },
}

SCSS

$custom: #ad3727;
$custom-light: #ce7562;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3727",
  "rgb": {
    "r": 173,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.164,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50805,
    "c": 0.15664,
    "h": 30.8
  },
  "luminance": 0.11763
}

Semantic roles & 50–950 ramp

primary

#AD3727

secondary

#6ABBC6

accent

#D3E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3727

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

Preview Lab → · Contrast checker → · Palette generator →