#AD2427#AD2427

#AD2427 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.0% C 0.173 H 25.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#AD2427
RGB	rgb(173, 36, 39)
HSL	hsl(359, 66%, 41%)
HSV	hsv(359, 79%, 68%)
CMYK	cmyk(0%, 79.2%, 77.5%, 32.2%)
CIE-LAB	lab(38.37, 54.02, 33.69)
CIE-LCH	lch(38.37, 63.67, 31.95°)
OKLab	oklab(48.96% 0.1561 0.0744)
OKLCH	oklch(48.96% 0.173 25.5)
XYZ	xyz(18.2329, 10.2954, 2.9462)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2427 #24ADAA

analogous

#AD246B #AD2427 #AD6524

triadic

#AD2427 #27AD24 #2427AD

tetradic

#AD2427 #6BAD24 #24ADAA #6524AD

square

#AD2427 #6BAD24 #24ADAA #6524AD

split-complementary

#AD2427 #24AD65 #246BAD

monochromatic

#480F10 #7A191C #AD2427 #D6393C #E06B6E

Accessibility & contrast

On white

6.87

#AD2427 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#AD2427 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2427

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2427	#FFFFFF	#000000	##FFFFFF
##AD2427	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4725

Deuteranopia (green-blind)

#716521

Tritanopia (blue-blind)

#BF0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2427;
/* rgb */ color: rgb(173, 36, 39);
/* oklch */ color: oklch(49.0% 0.173 25.5);

Tailwind

colors: {
  custom: {
    50: '#ce6c61',
    500: '#ad2427',
    950: '#000000',
  },
}

SCSS

$custom: #ad2427;
$custom-light: #ce6c61;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2427",
  "rgb": {
    "r": 173,
    "g": 36,
    "b": 39
  },
  "hsl": {
    "h": 358.686,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48959,
    "c": 0.1729,
    "h": 25.5
  },
  "luminance": 0.10292
}

Semantic roles & 50–950 ramp

primary

#AD2427

secondary

#66C6C4

accent

#E9E53F

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2427

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

Preview Lab → · Contrast checker → · Palette generator →