#3543BD#3543BD

#3543BD is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.190 H 271.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3543BD
RGB	rgb(53, 67, 189)
HSL	hsl(234, 56%, 47%)
HSV	hsv(234, 72%, 74%)
CMYK	cmyk(72%, 64.6%, 0%, 25.9%)
CIE-LAB	lab(34.89, 35.98, -65.62)
CIE-LCH	lch(34.89, 74.84, 298.73°)
OKLab	oklab(45.32% 0.0045 -0.1896)
OKLCH	oklch(45.32% 0.19 271.4)
XYZ	xyz(12.6575, 8.4440, 49.0970)
Luminance	0.0844 (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

#3543BD #BDAF35

analogous

#3587BD #3543BD #6B35BD

triadic

#3543BD #BD3543 #43BD35

tetradic

#3543BD #BD3587 #BDAF35 #35BD6B

square

#3543BD #BD3587 #BDAF35 #35BD6B

split-complementary

#3543BD #BD6B35 #87BD35

monochromatic

#1A215D #28328D #3543BD #5D69D2 #8D96DF

Accessibility & contrast

On white

7.81

#3543BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3543BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543BD

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543BD	#FFFFFF	#000000	##FFFFFF
##3543BD	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004CBB

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3543bd;
/* rgb */ color: rgb(53, 67, 189);
/* oklch */ color: oklch(45.3% 0.190 271.4);

Tailwind

colors: {
  custom: {
    50: '#7f77d2',
    500: '#3543bd',
    950: '#000000',
  },
}

SCSS

$custom: #3543bd;
$custom-light: #7f77d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3543bd",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 189
  },
  "hsl": {
    "h": 233.824,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45315,
    "c": 0.18967,
    "h": 271.4
  },
  "luminance": 0.08445
}

Semantic roles & 50–950 ramp

primary

#3543BD

secondary

#CAC284

accent

#D048DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3543BD

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

Preview Lab → · Contrast checker → · Palette generator →