#AD212B#AD212B

#AD212B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.8% C 0.175 H 23.5°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#AD212B
RGB	rgb(173, 33, 43)
HSL	hsl(356, 68%, 40%)
HSV	hsv(356, 81%, 68%)
CMYK	cmyk(0%, 80.9%, 75.1%, 32.2%)
CIE-LAB	lab(38.11, 55.05, 31.03)
CIE-LCH	lch(38.11, 63.19, 29.41°)
OKLab	oklab(48.78% 0.1602 0.0697)
OKLCH	oklch(48.78% 0.175 23.5)
XYZ	xyz(18.2157, 10.1493, 3.2849)
Luminance	0.1015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD212B #21ADA3

analogous

#AD2171 #AD212B #AD5D21

triadic

#AD212B #2BAD21 #212BAD

tetradic

#AD212B #71AD21 #21ADA3 #5D21AD

square

#AD212B #71AD21 #21ADA3 #5D21AD

split-complementary

#AD212B #21AD5D #2171AD

monochromatic

#460D11 #7A171E #AD212B #D8333F #E2666F

Accessibility & contrast

On white

6.93

#AD212B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#AD212B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD212B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD212B	#FFFFFF	#000000	##FFFFFF
##AD212B	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D472A

Deuteranopia (green-blind)

#706426

Tritanopia (blue-blind)

#BF0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad212b;
/* rgb */ color: rgb(173, 33, 43);
/* oklch */ color: oklch(48.8% 0.175 23.5);

Tailwind

colors: {
  custom: {
    50: '#ce6b64',
    500: '#ad212b',
    950: '#000000',
  },
}

SCSS

$custom: #ad212b;
$custom-light: #ce6b64;
$custom-dark: #000000;

JSON

{
  "hex": "#ad212b",
  "rgb": {
    "r": 173,
    "g": 33,
    "b": 43
  },
  "hsl": {
    "h": 355.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48782,
    "c": 0.17469,
    "h": 23.5
  },
  "luminance": 0.10146
}

Semantic roles & 50–950 ramp

primary

#AD212B

secondary

#62C7C0

accent

#EBDE3D

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #AD212B

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

Preview Lab → · Contrast checker → · Palette generator →