#AD3A27#AD3A27

#AD3A27 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.154 H 31.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A27
RGB	rgb(173, 58, 39)
HSL	hsl(9, 63%, 42%)
HSV	hsv(9, 77%, 68%)
CMYK	cmyk(0%, 66.5%, 77.5%, 32.2%)
CIE-LAB	lab(41.31, 45.91, 36.83)
CIE-LCH	lch(41.31, 58.86, 38.74°)
OKLab	oklab(51.16% 0.1306 0.0813)
OKLCH	oklch(51.16% 0.154 31.9)
XYZ	xyz(19.1150, 12.0596, 3.2403)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A27 #279AAD

analogous

#AD2757 #AD3A27 #AD7D27

triadic

#AD3A27 #27AD3A #3A27AD

tetradic

#AD3A27 #57AD27 #279AAD #7D27AD

square

#AD3A27 #57AD27 #279AAD #7D27AD

split-complementary

#AD3A27 #27AD7D #2757AD

monochromatic

#491910 #7B291C #AD3A27 #D3533E #DF7F70

Accessibility & contrast

On white

6.16

#AD3A27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AD3A27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A27

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A27	#FFFFFF	#000000	##FFFFFF
##AD3A27	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5124

Deuteranopia (green-blind)

#776B23

Tritanopia (blue-blind)

#BE1936

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a27;
/* rgb */ color: rgb(173, 58, 39);
/* oklch */ color: oklch(51.2% 0.154 31.9);

Tailwind

colors: {
  custom: {
    50: '#cd7662',
    500: '#ad3a27',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a27;
$custom-light: #cd7662;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a27",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 39
  },
  "hsl": {
    "h": 8.507,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51158,
    "c": 0.15383,
    "h": 31.9
  },
  "luminance": 0.12057
}

Semantic roles & 50–950 ramp

primary

#AD3A27

secondary

#6AB9C6

accent

#CFE642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3A27

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

Preview Lab → · Contrast checker → · Palette generator →