#3543BF#3543BF

#3543BF is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.192 H 271.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3543BF
RGB	rgb(53, 67, 191)
HSL	hsl(234, 57%, 48%)
HSV	hsv(234, 72%, 75%)
CMYK	cmyk(72.3%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(35.07, 36.68, -66.51)
CIE-LCH	lch(35.07, 75.95, 298.88°)
OKLab	oklab(45.5% 0.0044 -0.1922)
OKLCH	oklch(45.5% 0.192 271.3)
XYZ	xyz(12.8761, 8.5315, 50.2483)
Luminance	0.0853 (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

#3543BF #BFB135

analogous

#3588BF #3543BF #6C35BF

triadic

#3543BF #BF3543 #43BF35

tetradic

#3543BF #BF3588 #BFB135 #35BF6C

square

#3543BF #BF3588 #BFB135 #35BF6C

split-complementary

#3543BF #BF6C35 #88BF35

monochromatic

#1A215F #28328F #3543BF #5F6AD3 #8F97E0

Accessibility & contrast

On white

7.76

#3543BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3543BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543BF

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543BF	#FFFFFF	#000000	##FFFFFF
##3543BF	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004CBD

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3543bf;
/* rgb */ color: rgb(53, 67, 191);
/* oklch */ color: oklch(45.5% 0.192 271.3);

Tailwind

colors: {
  custom: {
    50: '#8077d3',
    500: '#3543bf',
    950: '#000000',
  },
}

SCSS

$custom: #3543bf;
$custom-light: #8077d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3543bf",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 233.913,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45497,
    "c": 0.19227,
    "h": 271.3
  },
  "luminance": 0.08533
}

Semantic roles & 50–950 ramp

primary

#3543BF

secondary

#CAC385

accent

#D048E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3543BF

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

Preview Lab → · Contrast checker → · Palette generator →