#AD2A2A#AD2A2A

#AD2A2A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 25.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A2A
RGB	rgb(173, 42, 42)
HSL	hsl(0, 61%, 42%)
HSV	hsv(0, 76%, 68%)
CMYK	cmyk(0%, 75.7%, 75.7%, 32.2%)
CIE-LAB	lab(39.09, 52.22, 32.72)
CIE-LCH	lch(39.09, 61.63, 32.07°)
OKLab	oklab(49.51% 0.151 0.0731)
OKLCH	oklch(49.51% 0.168 25.8)
XYZ	xyz(18.4816, 10.7102, 3.2842)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A2A #2AADAD

analogous

#AD2A6C #AD2A2A #AD6C2A

triadic

#AD2A2A #2AAD2A #2A2AAD

tetradic

#AD2A2A #6CAD2A #2AADAD #6C2AAD

square

#AD2A2A #6CAD2A #2AADAD #6C2AAD

split-complementary

#AD2A2A #2AAD6C #2A6CAD

monochromatic

#4B1212 #7C1E1E #AD2A2A #D14343 #DD7474

Accessibility & contrast

On white

6.68

#AD2A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A2A

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A2A	#FFFFFF	#000000	##FFFFFF
##AD2A2A	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A28

Deuteranopia (green-blind)

#726625

Tritanopia (blue-blind)

#BF002C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a2a;
/* rgb */ color: rgb(173, 42, 42);
/* oklch */ color: oklch(49.5% 0.168 25.8);

Tailwind

colors: {
  custom: {
    50: '#ce6e64',
    500: '#ad2a2a',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a2a;
$custom-light: #ce6e64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a2a",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 42
  },
  "hsl": {
    "h": 0,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49506,
    "c": 0.16779,
    "h": 25.8
  },
  "luminance": 0.10707
}

Semantic roles & 50–950 ramp

primary

#AD2A2A

secondary

#6EC5C5

accent

#E4E444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD2A2A

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

Preview Lab → · Contrast checker → · Palette generator →