#AD2523#AD2523

#AD2523 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.0% C 0.173 H 27.0°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#AD2523
RGB	rgb(173, 37, 35)
HSL	hsl(1, 66%, 41%)
HSV	hsv(1, 80%, 68%)
CMYK	cmyk(0%, 78.6%, 79.8%, 32.2%)
CIE-LAB	lab(38.43, 53.58, 36.06)
CIE-LCH	lch(38.43, 64.59, 33.95°)
OKLab	oklab(48.99% 0.1538 0.0784)
OKLCH	oklch(48.99% 0.173 27)
XYZ	xyz(18.2007, 10.3316, 2.6257)
Luminance	0.1033 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2523 #23ABAD

analogous

#AD2366 #AD2523 #AD6A23

triadic

#AD2523 #23AD25 #2523AD

tetradic

#AD2523 #66AD23 #23ABAD #6A23AD

square

#AD2523 #66AD23 #23ABAD #6A23AD

split-complementary

#AD2523 #23AD6A #2366AD

monochromatic

#470F0E #7A1A19 #AD2523 #D63937 #E16B6A

Accessibility & contrast

On white

6.85

#AD2523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#AD2523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2523

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2523	#FFFFFF	#000000	##FFFFFF
##AD2523	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504821

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#BF0027

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2523;
/* rgb */ color: rgb(173, 37, 35);
/* oklch */ color: oklch(49.0% 0.173 27.0);

Tailwind

colors: {
  custom: {
    50: '#cf6c5f',
    500: '#ad2523',
    950: '#000000',
  },
}

SCSS

$custom: #ad2523;
$custom-light: #cf6c5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2523",
  "rgb": {
    "r": 173,
    "g": 37,
    "b": 35
  },
  "hsl": {
    "h": 0.87,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48992,
    "c": 0.17263,
    "h": 27
  },
  "luminance": 0.10329
}

Semantic roles & 50–950 ramp

primary

#AD2523

secondary

#65C5C7

accent

#E7E93F

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD2523

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

Preview Lab → · Contrast checker → · Palette generator →