#3539BA#3539BA

#3539BA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.4% C 0.197 H 273.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3539BA
RGB	rgb(53, 57, 186)
HSL	hsl(238, 56%, 47%)
HSV	hsv(238, 72%, 73%)
CMYK	cmyk(71.5%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(32.32, 41.10, -68.08)
CIE-LCH	lch(32.32, 79.52, 301.12°)
OKLab	oklab(43.36% 0.0111 -0.1968)
OKLCH	oklch(43.36% 0.197 273.2)
XYZ	xyz(11.7913, 7.2271, 47.2184)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3539BA #BAB635

analogous

#357CBA #3539BA #7335BA

triadic

#3539BA #BA3539 #39BA35

tetradic

#3539BA #BA357C #BAB635 #35BA73

square

#3539BA #BA357C #BAB635 #35BA73

split-complementary

#3539BA #BA7335 #7CBA35

monochromatic

#1A1C5B #272A8A #3539BA #5C5FD0 #8B8EDE

Accessibility & contrast

On white

8.59

#3539BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3539BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539BA

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539BA	#FFFFFF	#000000	##FFFFFF
##3539BA	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3539ba;
/* rgb */ color: rgb(53, 57, 186);
/* oklch */ color: oklch(43.4% 0.197 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f70d0',
    500: '#3539ba',
    950: '#000000',
  },
}

SCSS

$custom: #3539ba;
$custom-light: #7f70d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3539ba",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 238.195,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43362,
    "c": 0.19714,
    "h": 273.2
  },
  "luminance": 0.07228
}

Semantic roles & 50–950 ramp

primary

#3539BA

secondary

#C8C682

accent

#DA49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3539BA

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

Preview Lab → · Contrast checker → · Palette generator →