#AD3527#AD3527

#AD3527 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.159 H 30.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#AD3527
RGB	rgb(173, 53, 39)
HSL	hsl(6, 63%, 42%)
HSV	hsv(6, 77%, 68%)
CMYK	cmyk(0%, 69.4%, 77.5%, 32.2%)
CIE-LAB	lab(40.54, 48.00, 36.02)
CIE-LCH	lch(40.54, 60.01, 36.88°)
OKLab	oklab(50.58% 0.1371 0.0795)
OKLCH	oklch(50.58% 0.159 30.1)
XYZ	xyz(18.8750, 11.5798, 3.1603)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3527 #279FAD

analogous

#AD275C #AD3527 #AD7827

triadic

#AD3527 #27AD35 #3527AD

tetradic

#AD3527 #5CAD27 #279FAD #7827AD

square

#AD3527 #5CAD27 #279FAD #7827AD

split-complementary

#AD3527 #27AD78 #275CAD

monochromatic

#491610 #7B261C #AD3527 #D34D3E #DF7B70

Accessibility & contrast

On white

6.33

#AD3527 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AD3527 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3527

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3527	#FFFFFF	#000000	##FFFFFF
##AD3527	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F24

Deuteranopia (green-blind)

#756922

Tritanopia (blue-blind)

#BF0B33

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3527;
/* rgb */ color: rgb(173, 53, 39);
/* oklch */ color: oklch(50.6% 0.159 30.1);

Tailwind

colors: {
  custom: {
    50: '#ce7462',
    500: '#ad3527',
    950: '#000000',
  },
}

SCSS

$custom: #ad3527;
$custom-light: #ce7462;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3527",
  "rgb": {
    "r": 173,
    "g": 53,
    "b": 39
  },
  "hsl": {
    "h": 6.269,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5058,
    "c": 0.15851,
    "h": 30.1
  },
  "luminance": 0.11577
}

Semantic roles & 50–950 ramp

primary

#AD3527

secondary

#6ABCC6

accent

#D5E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3527

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

Preview Lab → · Contrast checker → · Palette generator →