#3528A4#3528A4

#3528A4 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.188 H 277.7°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#3528A4
RGB	rgb(53, 40, 164)
HSL	hsl(246, 61%, 40%)
HSV	hsv(246, 76%, 64%)
CMYK	cmyk(67.7%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(26.60, 43.63, -64.33)
CIE-LCH	lch(26.60, 77.73, 304.15°)
OKLab	oklab(38.63% 0.0251 -0.1858)
OKLCH	oklch(38.63% 0.188 277.7)
XYZ	xyz(8.9257, 4.9540, 35.6006)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528A4 #97A428

analogous

#2859A4 #3528A4 #7328A4

triadic

#3528A4 #A43528 #28A435

tetradic

#3528A4 #A42859 #97A428 #28A473

square

#3528A4 #A42859 #97A428 #28A473

split-complementary

#3528A4 #A47328 #59A428

monochromatic

#151042 #251C73 #3528A4 #4A3ACF #776BDB

Accessibility & contrast

On white

10.55

#3528A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3528A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528A4

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528A4	#FFFFFF	#000000	##FFFFFF
##3528A4	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A8

Deuteranopia (green-blind)

#003AA2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3528a4;
/* rgb */ color: rgb(53, 40, 164);
/* oklch */ color: oklch(38.6% 0.188 277.7);

Tailwind

colors: {
  custom: {
    50: '#7c64c0',
    500: '#3528a4',
    950: '#000000',
  },
}

SCSS

$custom: #3528a4;
$custom-light: #7c64c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3528a4",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 246.29,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38627,
    "c": 0.18751,
    "h": 277.7
  },
  "luminance": 0.04955
}

Semantic roles & 50–950 ramp

primary

#3528A4

secondary

#B8C166

accent

#E444D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3528A4

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

Preview Lab → · Contrast checker → · Palette generator →