#AD3B28#AD3B28

#AD3B28 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.3% C 0.153 H 31.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AD3B28
RGB	rgb(173, 59, 40)
HSL	hsl(9, 62%, 42%)
HSV	hsv(9, 77%, 68%)
CMYK	cmyk(0%, 65.9%, 76.9%, 32.2%)
CIE-LAB	lab(41.48, 45.52, 36.46)
CIE-LCH	lch(41.48, 58.32, 38.70°)
OKLab	oklab(51.29% 0.1296 0.0807)
OKLCH	oklch(51.29% 0.153 31.9)
XYZ	xyz(19.1827, 12.1682, 3.3457)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3B28 #289AAD

analogous

#AD2858 #AD3B28 #AD7D28

triadic

#AD3B28 #28AD3B #3B28AD

tetradic

#AD3B28 #58AD28 #289AAD #7D28AD

square

#AD3B28 #58AD28 #289AAD #7D28AD

split-complementary

#AD3B28 #28AD7D #2858AD

monochromatic

#4A1911 #7B2A1D #AD3B28 #D3553F #DE8171

Accessibility & contrast

On white

6.12

#AD3B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AD3B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B28

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3B28	#FFFFFF	#000000	##FFFFFF
##AD3B28	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)

#5B5225

Deuteranopia (green-blind)

#786B24

Tritanopia (blue-blind)

#BE1B37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3b28;
/* rgb */ color: rgb(173, 59, 40);
/* oklch */ color: oklch(51.3% 0.153 31.9);

Tailwind

colors: {
  custom: {
    50: '#cd7763',
    500: '#ad3b28',
    950: '#000000',
  },
}

SCSS

$custom: #ad3b28;
$custom-light: #cd7763;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3b28",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 8.571,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5129,
    "c": 0.15267,
    "h": 31.9
  },
  "luminance": 0.12165
}

Semantic roles & 50–950 ramp

primary

#AD3B28

secondary

#6CB8C5

accent

#CEE642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3B28

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

Preview Lab → · Contrast checker → · Palette generator →