#3528AB#3528AB

#3528AB is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.196 H 276.9°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#3528AB
RGB	rgb(53, 40, 171)
HSL	hsl(246, 62%, 41%)
HSV	hsv(246, 77%, 67%)
CMYK	cmyk(69%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(27.34, 45.86, -67.35)
CIE-LCH	lch(27.34, 81.48, 304.25°)
OKLab	oklab(39.36% 0.0235 -0.1946)
OKLCH	oklch(39.36% 0.196 276.9)
XYZ	xyz(9.5753, 5.2139, 39.0219)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528AB #9EAB28

analogous

#285DAB #3528AB #7728AB

triadic

#3528AB #AB3528 #28AB35

tetradic

#3528AB #AB285D #9EAB28 #28AB77

square

#3528AB #AB285D #9EAB28 #28AB77

split-complementary

#3528AB #AB7728 #5DAB28

monochromatic

#161148 #261C79 #3528AB #4D3ED2 #7B70DE

Accessibility & contrast

On white

10.28

#3528AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3528AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528AB

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528AB	#FFFFFF	#000000	##FFFFFF
##3528AB	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003BA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3528ab;
/* rgb */ color: rgb(53, 40, 171);
/* oklch */ color: oklch(39.4% 0.196 276.9);

Tailwind

colors: {
  custom: {
    50: '#7e65c5',
    500: '#3528ab',
    950: '#000000',
  },
}

SCSS

$custom: #3528ab;
$custom-light: #7e65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3528ab",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 245.954,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.19603,
    "h": 276.9
  },
  "luminance": 0.05215
}

Semantic roles & 50–950 ramp

primary

#3528AB

secondary

#BBC46A

accent

#E543D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3528AB

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

Preview Lab → · Contrast checker → · Palette generator →