#AD2B2C#AD2B2C

#AD2B2C is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 25.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B2C
RGB	rgb(173, 43, 44)
HSL	hsl(360, 60%, 42%)
HSV	hsv(360, 75%, 68%)
CMYK	cmyk(0%, 75.1%, 74.6%, 32.2%)
CIE-LAB	lab(39.24, 51.96, 31.71)
CIE-LCH	lch(39.24, 60.87, 31.39°)
OKLab	oklab(49.62% 0.1506 0.0714)
OKLCH	oklch(49.62% 0.167 25.4)
XYZ	xyz(18.5542, 10.7967, 3.4894)
Luminance	0.1079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B2C #2BADAC

analogous

#AD2B6D #AD2B2C #AD6B2B

triadic

#AD2B2C #2CAD2B #2B2CAD

tetradic

#AD2B2C #6DAD2B #2BADAC #6B2BAD

square

#AD2B2C #6DAD2B #2BADAC #6B2BAD

split-complementary

#AD2B2C #2BAD6B #2B6DAD

monochromatic

#4B1313 #7C1F20 #AD2B2C #D14546 #DD7676

Accessibility & contrast

On white

6.65

#AD2B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#AD2B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B2C

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B2C	#FFFFFF	#000000	##FFFFFF
##AD2B2C	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A2B

Deuteranopia (green-blind)

#726727

Tritanopia (blue-blind)

#BF002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b2c;
/* rgb */ color: rgb(173, 43, 44);
/* oklch */ color: oklch(49.6% 0.167 25.4);

Tailwind

colors: {
  custom: {
    50: '#ce6f65',
    500: '#ad2b2c',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b2c;
$custom-light: #ce6f65;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b2c",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 44
  },
  "hsl": {
    "h": 359.538,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49624,
    "c": 0.1667,
    "h": 25.4
  },
  "luminance": 0.10794
}

Semantic roles & 50–950 ramp

primary

#AD2B2C

secondary

#6FC4C4

accent

#E3E244

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD2B2C

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

Preview Lab → · Contrast checker → · Palette generator →