#3528B6#3528B6

#3528B6 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.5% C 0.209 H 275.7°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#3528B6
RGB	rgb(53, 40, 182)
HSL	hsl(245, 64%, 44%)
HSV	hsv(245, 78%, 71%)
CMYK	cmyk(70.9%, 78%, 0%, 28.6%)
CIE-LAB	lab(28.51, 49.31, -71.98)
CIE-LCH	lch(28.51, 87.25, 304.42°)
OKLab	oklab(40.54% 0.0208 -0.2081)
OKLCH	oklch(40.54% 0.209 275.7)
XYZ	xyz(10.6677, 5.6509, 44.7754)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3528B6 #A9B628

analogous

#2862B6 #3528B6 #7C28B6

triadic

#3528B6 #B63528 #28B635

tetradic

#3528B6 #B62862 #A9B628 #28B67C

square

#3528B6 #B62862 #A9B628 #28B67C

split-complementary

#3528B6 #B67C28 #62B628

monochromatic

#181252 #261D84 #3528B6 #5245D6 #8177E1

Accessibility & contrast

On white

9.86

#3528B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3528B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528B6

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3528B6	#FFFFFF	#000000	##FFFFFF
##3528B6	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BA

Deuteranopia (green-blind)

#003DB4

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3528b6;
/* rgb */ color: rgb(53, 40, 182);
/* oklch */ color: oklch(40.5% 0.209 275.7);

Tailwind

colors: {
  custom: {
    50: '#8065cd',
    500: '#3528b6',
    950: '#000000',
  },
}

SCSS

$custom: #3528b6;
$custom-light: #8065cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3528b6",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 182
  },
  "hsl": {
    "h": 245.493,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40536,
    "c": 0.20914,
    "h": 275.7
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#3528B6

secondary

#C1C971

accent

#E741D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3528B6

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

Preview Lab → · Contrast checker → · Palette generator →