#3543BA#3543BA

#3543BA is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.186 H 271.4°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3543BA
RGB	rgb(53, 67, 186)
HSL	hsl(234, 56%, 47%)
HSV	hsv(234, 72%, 73%)
CMYK	cmyk(71.5%, 64%, 0%, 27.1%)
CIE-LAB	lab(34.63, 34.91, -64.28)
CIE-LCH	lch(34.63, 73.15, 298.51°)
OKLab	oklab(45.04% 0.0047 -0.1857)
OKLCH	oklch(45.04% 0.186 271.4)
XYZ	xyz(12.3353, 8.3151, 47.3998)
Luminance	0.0832 (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

#3543BA #BAAC35

analogous

#3586BA #3543BA #6935BA

triadic

#3543BA #BA3543 #43BA35

tetradic

#3543BA #BA3586 #BAAC35 #35BA69

square

#3543BA #BA3586 #BAAC35 #35BA69

split-complementary

#3543BA #BA6935 #86BA35

monochromatic

#1A215B #27328A #3543BA #5C68D0 #8B94DE

Accessibility & contrast

On white

7.89

#3543BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3543BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543BA

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543BA	#FFFFFF	#000000	##FFFFFF
##3543BA	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3543ba;
/* rgb */ color: rgb(53, 67, 186);
/* oklch */ color: oklch(45.0% 0.186 271.4);

Tailwind

colors: {
  custom: {
    50: '#7f77d0',
    500: '#3543ba',
    950: '#000000',
  },
}

SCSS

$custom: #3543ba;
$custom-light: #7f77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3543ba",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 233.684,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45044,
    "c": 0.18576,
    "h": 271.4
  },
  "luminance": 0.08316
}

Semantic roles & 50–950 ramp

primary

#3543BA

secondary

#C8C182

accent

#CF49DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3543BA

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

Preview Lab → · Contrast checker → · Palette generator →