#AD3A2B#AD3A2B

#AD3A2B is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.153 H 30.5°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A2B
RGB	rgb(173, 58, 43)
HSL	hsl(7, 60%, 42%)
HSV	hsv(7, 75%, 68%)
CMYK	cmyk(0%, 66.5%, 75.1%, 32.2%)
CIE-LAB	lab(41.35, 46.08, 34.65)
CIE-LCH	lch(41.35, 57.65, 36.94°)
OKLab	oklab(51.21% 0.1319 0.0776)
OKLCH	oklch(51.21% 0.153 30.5)
XYZ	xyz(19.1848, 12.0876, 3.6080)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A2B #2B9EAD

analogous

#AD2B5D #AD3A2B #AD7B2B

triadic

#AD3A2B #2BAD3A #3A2BAD

tetradic

#AD3A2B #5DAD2B #2B9EAD #7B2BAD

square

#AD3A2B #5DAD2B #2B9EAD #7B2BAD

split-complementary

#AD3A2B #2BAD7B #2B5DAD

monochromatic

#4B1913 #7C2A1F #AD3A2B #D15545 #DD8176

Accessibility & contrast

On white

6.15

#AD3A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AD3A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A2B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A2B	#FFFFFF	#000000	##FFFFFF
##AD3A2B	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5229

Deuteranopia (green-blind)

#776B27

Tritanopia (blue-blind)

#BE1A37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3a2b;
/* rgb */ color: rgb(173, 58, 43);
/* oklch */ color: oklch(51.2% 0.153 30.5);

Tailwind

colors: {
  custom: {
    50: '#cd7665',
    500: '#ad3a2b',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a2b;
$custom-light: #cd7665;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a2b",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 6.923,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.51205,
    "c": 0.15304,
    "h": 30.5
  },
  "luminance": 0.12085
}

Semantic roles & 50–950 ramp

primary

#AD3A2B

secondary

#6FBBC4

accent

#D1E344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AD3A2B

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

Preview Lab → · Contrast checker → · Palette generator →