#3528B0#3528B0

#3528B0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.202 H 276.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#3528B0
RGB	rgb(53, 40, 176)
HSL	hsl(246, 63%, 42%)
HSV	hsv(246, 77%, 69%)
CMYK	cmyk(69.9%, 77.3%, 0%, 31%)
CIE-LAB	lab(27.87, 47.44, -69.47)
CIE-LCH	lch(27.87, 84.12, 304.33°)
OKLab	oklab(39.89% 0.0223 -0.2008)
OKLCH	oklch(39.89% 0.202 276.3)
XYZ	xyz(10.0609, 5.4081, 41.5795)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528B0 #A3B028

analogous

#285FB0 #3528B0 #7928B0

triadic

#3528B0 #B03528 #28B035

tetradic

#3528B0 #B0285F #A3B028 #28B079

square

#3528B0 #B0285F #A3B028 #28B079

split-complementary

#3528B0 #B07928 #5FB028

monochromatic

#17114C #261D7E #3528B0 #4F41D4 #7E73DF

Accessibility & contrast

On white

10.09

#3528B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3528B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528B0

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528B0	#FFFFFF	#000000	##FFFFFF
##3528B0	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3528b0;
/* rgb */ color: rgb(53, 40, 176);
/* oklch */ color: oklch(39.9% 0.202 276.3);

Tailwind

colors: {
  custom: {
    50: '#7f65c9',
    500: '#3528b0',
    950: '#000000',
  },
}

SCSS

$custom: #3528b0;
$custom-light: #7f65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3528b0",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 245.735,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39892,
    "c": 0.20203,
    "h": 276.3
  },
  "luminance": 0.05409
}

Semantic roles & 50–950 ramp

primary

#3528B0

secondary

#BEC66D

accent

#E642D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3528B0

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

Preview Lab → · Contrast checker → · Palette generator →