#AD3B27#AD3B27

#AD3B27 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.3% C 0.153 H 32.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AD3B27
RGB	rgb(173, 59, 39)
HSL	hsl(9, 63%, 42%)
HSV	hsv(9, 77%, 68%)
CMYK	cmyk(0%, 65.9%, 77.5%, 32.2%)
CIE-LAB	lab(41.47, 45.48, 37.00)
CIE-LCH	lch(41.47, 58.63, 39.13°)
OKLab	oklab(51.28% 0.1293 0.0816)
OKLCH	oklch(51.28% 0.153 32.3)
XYZ	xyz(19.1659, 12.1614, 3.2573)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3B27 #2799AD

analogous

#AD2756 #AD3B27 #AD7E27

triadic

#AD3B27 #27AD3B #3B27AD

tetradic

#AD3B27 #56AD27 #2799AD #7E27AD

square

#AD3B27 #56AD27 #2799AD #7E27AD

split-complementary

#AD3B27 #27AD7E #2756AD

monochromatic

#491910 #7B2A1C #AD3B27 #D3543E #DF8070

Accessibility & contrast

On white

6.12

#AD3B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AD3B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B27

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3B27	#FFFFFF	#000000	##FFFFFF
##AD3B27	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5224

Deuteranopia (green-blind)

#786B23

Tritanopia (blue-blind)

#BE1B37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3b27;
/* rgb */ color: rgb(173, 59, 39);
/* oklch */ color: oklch(51.3% 0.153 32.3);

Tailwind

colors: {
  custom: {
    50: '#cd7762',
    500: '#ad3b27',
    950: '#000000',
  },
}

SCSS

$custom: #ad3b27;
$custom-light: #cd7762;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3b27",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 8.955,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51278,
    "c": 0.15288,
    "h": 32.3
  },
  "luminance": 0.12159
}

Semantic roles & 50–950 ramp

primary

#AD3B27

secondary

#6AB8C6

accent

#CEE642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3B27

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

Preview Lab → · Contrast checker → · Palette generator →