#AD3524#AD3524

#AD3524 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.5% C 0.159 H 31.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AD3524
RGB	rgb(173, 53, 36)
HSL	hsl(7, 66%, 41%)
HSV	hsv(7, 79%, 68%)
CMYK	cmyk(0%, 69.4%, 79.2%, 32.2%)
CIE-LAB	lab(40.51, 47.89, 37.64)
CIE-LCH	lch(40.51, 60.91, 38.17°)
OKLab	oklab(50.55% 0.1362 0.0822)
OKLCH	oklch(50.55% 0.159 31.1)
XYZ	xyz(18.8273, 11.5606, 2.9088)
Luminance	0.1156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3524 #249CAD

analogous

#AD2457 #AD3524 #AD7924

triadic

#AD3524 #24AD35 #3524AD

tetradic

#AD3524 #57AD24 #249CAD #7924AD

square

#AD3524 #57AD24 #249CAD #7924AD

split-complementary

#AD3524 #24AD79 #2457AD

monochromatic

#48160F #7A2519 #AD3524 #D64C39 #E07A6B

Accessibility & contrast

On white

6.34

#AD3524 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AD3524 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3524

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3524	#FFFFFF	#000000	##FFFFFF
##AD3524	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F21

Deuteranopia (green-blind)

#76691F

Tritanopia (blue-blind)

#BF0A32

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3524;
/* rgb */ color: rgb(173, 53, 36);
/* oklch */ color: oklch(50.5% 0.159 31.1);

Tailwind

colors: {
  custom: {
    50: '#ce7460',
    500: '#ad3524',
    950: '#000000',
  },
}

SCSS

$custom: #ad3524;
$custom-light: #ce7460;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3524",
  "rgb": {
    "r": 173,
    "g": 53,
    "b": 36
  },
  "hsl": {
    "h": 7.445,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50546,
    "c": 0.15904,
    "h": 31.1
  },
  "luminance": 0.11558
}

Semantic roles & 50–950 ramp

primary

#AD3524

secondary

#66BAC6

accent

#D4E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3524

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

Preview Lab → · Contrast checker → · Palette generator →