#AD2525#AD2525

#AD2525 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.0% C 0.172 H 26.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#AD2525
RGB	rgb(173, 37, 37)
HSL	hsl(0, 65%, 41%)
HSV	hsv(0, 79%, 68%)
CMYK	cmyk(0%, 78.6%, 78.6%, 32.2%)
CIE-LAB	lab(38.45, 53.65, 34.95)
CIE-LCH	lch(38.45, 64.02, 33.08°)
OKLab	oklab(49.02% 0.1544 0.0766)
OKLCH	oklch(49.02% 0.172 26.4)
XYZ	xyz(18.2313, 10.3439, 2.7865)
Luminance	0.1034 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2525 #25ADAD

analogous

#AD2569 #AD2525 #AD6925

triadic

#AD2525 #25AD25 #2525AD

tetradic

#AD2525 #69AD25 #25ADAD #6925AD

square

#AD2525 #69AD25 #25ADAD #6925AD

split-complementary

#AD2525 #25AD69 #2569AD

monochromatic

#480F0F #7B1A1A #AD2525 #D53A3A #E06D6D

Accessibility & contrast

On white

6.84

#AD2525 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#AD2525 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2525

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2525	#FFFFFF	#000000	##FFFFFF
##AD2525	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504823

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#BF0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2525;
/* rgb */ color: rgb(173, 37, 37);
/* oklch */ color: oklch(49.0% 0.172 26.4);

Tailwind

colors: {
  custom: {
    50: '#cf6c60',
    500: '#ad2525',
    950: '#000000',
  },
}

SCSS

$custom: #ad2525;
$custom-light: #cf6c60;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2525",
  "rgb": {
    "r": 173,
    "g": 37,
    "b": 37
  },
  "hsl": {
    "h": 0,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49015,
    "c": 0.17238,
    "h": 26.4
  },
  "luminance": 0.10341
}

Semantic roles & 50–950 ramp

primary

#AD2525

secondary

#68C6C6

accent

#E8E840

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160805

muted

#847A79

Preview Lab

Preview with #AD2525

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

Preview Lab → · Contrast checker → · Palette generator →