#AD2B2A#AD2B2A

#AD2B2A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 26.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B2A
RGB	rgb(173, 43, 42)
HSL	hsl(0, 61%, 42%)
HSV	hsv(0, 76%, 68%)
CMYK	cmyk(0%, 75.1%, 75.7%, 32.2%)
CIE-LAB	lab(39.21, 51.88, 32.86)
CIE-LCH	lch(39.21, 61.41, 32.35°)
OKLab	oklab(49.6% 0.1499 0.0734)
OKLCH	oklch(49.6% 0.167 26.1)
XYZ	xyz(18.5175, 10.7820, 3.2961)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B2A #2AACAD

analogous

#AD2A6B #AD2B2A #AD6D2A

triadic

#AD2B2A #2AAD2B #2B2AAD

tetradic

#AD2B2A #6BAD2A #2AACAD #6D2AAD

square

#AD2B2A #6BAD2A #2AACAD #6D2AAD

split-complementary

#AD2B2A #2AAD6D #2A6BAD

monochromatic

#4B1312 #7C1F1E #AD2B2A #D14443 #DD7574

Accessibility & contrast

On white

6.65

#AD2B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#AD2B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B2A

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B2A	#FFFFFF	#000000	##FFFFFF
##AD2B2A	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)

#524A28

Deuteranopia (green-blind)

#726725

Tritanopia (blue-blind)

#BF002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b2a;
/* rgb */ color: rgb(173, 43, 42);
/* oklch */ color: oklch(49.6% 0.167 26.1);

Tailwind

colors: {
  custom: {
    50: '#ce6f64',
    500: '#ad2b2a',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b2a;
$custom-light: #ce6f64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b2a",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 42
  },
  "hsl": {
    "h": 0.458,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49597,
    "c": 0.16695,
    "h": 26.1
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary

#AD2B2A

secondary

#6EC4C5

accent

#E3E444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD2B2A

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

Preview Lab → · Contrast checker → · Palette generator →