#3543BE#3543BE

#3543BE is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.191 H 271.3°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3543BE
RGB	rgb(53, 67, 190)
HSL	hsl(234, 56%, 48%)
HSV	hsv(234, 72%, 75%)
CMYK	cmyk(72.1%, 64.7%, 0%, 25.5%)
CIE-LAB	lab(34.98, 36.33, -66.07)
CIE-LCH	lch(34.98, 75.40, 298.81°)
OKLab	oklab(45.41% 0.0044 -0.1909)
OKLCH	oklch(45.41% 0.191 271.3)
XYZ	xyz(12.7665, 8.4876, 49.6707)
Luminance	0.0849 (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

#3543BE #BEB035

analogous

#3587BE #3543BE #6C35BE

triadic

#3543BE #BE3543 #43BE35

tetradic

#3543BE #BE3587 #BEB035 #35BE6C

square

#3543BE #BE3587 #BEB035 #35BE6C

split-complementary

#3543BE #BE6C35 #87BE35

monochromatic

#1A215E #28328E #3543BE #5E6AD2 #8E96DF

Accessibility & contrast

On white

7.78

#3543BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3543BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543BE

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543BE	#FFFFFF	#000000	##FFFFFF
##3543BE	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#004CBC

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3543be;
/* rgb */ color: rgb(53, 67, 190);
/* oklch */ color: oklch(45.4% 0.191 271.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3543be",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 190
  },
  "hsl": {
    "h": 233.869,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45406,
    "c": 0.19097,
    "h": 271.3
  },
  "luminance": 0.08489
}

Semantic roles & 50–950 ramp

primary

#3543BE

secondary

#CAC385

accent

#D048E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3543BE

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

Preview Lab → · Contrast checker → · Palette generator →