#3528BD#3528BD

#3528BD is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.3% C 0.217 H 275.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#3528BD
RGB	rgb(53, 40, 189)
HSL	hsl(245, 65%, 45%)
HSV	hsv(245, 79%, 74%)
CMYK	cmyk(72%, 78.8%, 0%, 25.9%)
CIE-LAB	lab(29.28, 51.48, -74.86)
CIE-LCH	lch(29.28, 90.85, 304.51°)
OKLab	oklab(41.3% 0.0191 -0.2165)
OKLCH	oklch(41.3% 0.217 275)
XYZ	xyz(11.4093, 5.9475, 48.6809)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528BD #B0BD28

analogous

#2865BD #3528BD #8028BD

triadic

#3528BD #BD3528 #28BD35

tetradic

#3528BD #BD2865 #B0BD28 #28BD80

square

#3528BD #BD2865 #B0BD28 #28BD80

split-complementary

#3528BD #BD8028 #65BD28

monochromatic

#191358 #271D8A #3528BD #564AD9 #857CE3

Accessibility & contrast

On white

9.59

#3528BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3528BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528BD

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528BD	#FFFFFF	#000000	##FFFFFF
##3528BD	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC1

Deuteranopia (green-blind)

#003EBA

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3528bd;
/* rgb */ color: rgb(53, 40, 189);
/* oklch */ color: oklch(41.3% 0.217 275.0);

Tailwind

colors: {
  custom: {
    50: '#8266d2',
    500: '#3528bd',
    950: '#000000',
  },
}

SCSS

$custom: #3528bd;
$custom-light: #8266d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3528bd",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 189
  },
  "hsl": {
    "h": 245.235,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41296,
    "c": 0.21732,
    "h": 275
  },
  "luminance": 0.05949
}

Semantic roles & 50–950 ramp

primary

#3528BD

secondary

#C4CB75

accent

#E840D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3528BD

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

Preview Lab → · Contrast checker → · Palette generator →