#3545BA#3545BA

#3545BA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.183 H 271.0°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3545BA
RGB	rgb(53, 69, 186)
HSL	hsl(233, 56%, 47%)
HSV	hsv(233, 72%, 73%)
CMYK	cmyk(71.5%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(35.12, 33.64, -63.49)
CIE-LCH	lch(35.12, 71.85, 297.92°)
OKLab	oklab(45.4% 0.0033 -0.1834)
OKLCH	oklch(45.4% 0.183 271)
XYZ	xyz(12.4562, 8.5570, 47.4401)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545BA #BAAA35

analogous

#3588BA #3545BA #6835BA

triadic

#3545BA #BA3545 #45BA35

tetradic

#3545BA #BA3588 #BAAA35 #35BA68

square

#3545BA #BA3588 #BAAA35 #35BA68

split-complementary

#3545BA #BA6835 #88BA35

monochromatic

#1A225B #27338A #3545BA #5C6AD0 #8B95DE

Accessibility & contrast

On white

7.74

#3545BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3545BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545BA

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545BA	#FFFFFF	#000000	##FFFFFF
##3545BA	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3545ba;
/* rgb */ color: rgb(53, 69, 186);
/* oklch */ color: oklch(45.4% 0.183 271.0);

Tailwind

colors: {
  custom: {
    50: '#7e78d0',
    500: '#3545ba',
    950: '#000000',
  },
}

SCSS

$custom: #3545ba;
$custom-light: #7e78d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3545ba",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 232.782,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45401,
    "c": 0.18338,
    "h": 271
  },
  "luminance": 0.08558
}

Semantic roles & 50–950 ramp

primary

#3545BA

secondary

#C8C082

accent

#CD49DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3545BA

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

Preview Lab → · Contrast checker → · Palette generator →