#3548BF#3548BF

#3548BF is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.4% C 0.186 H 270.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3548BF
RGB	rgb(53, 72, 191)
HSL	hsl(232, 57%, 48%)
HSV	hsv(232, 72%, 75%)
CMYK	cmyk(72.3%, 62.3%, 0%, 25.1%)
CIE-LAB	lab(36.27, 33.52, -64.53)
CIE-LCH	lch(36.27, 72.72, 297.45°)
OKLab	oklab(46.39% 0.001 -0.1864)
OKLCH	oklch(46.39% 0.186 270.3)
XYZ	xyz(13.1863, 9.1518, 50.3517)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548BF #BFAC35

analogous

#358DBF #3548BF #6735BF

triadic

#3548BF #BF3548 #48BF35

tetradic

#3548BF #BF358D #BFAC35 #35BF67

square

#3548BF #BF358D #BFAC35 #35BF67

split-complementary

#3548BF #BF6735 #8DBF35

monochromatic

#1A245F #28368F #3548BF #5F6FD3 #8F9AE0

Accessibility & contrast

On white

7.42

#3548BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3548BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548BF

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548BF	#FFFFFF	#000000	##FFFFFF
##3548BF	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3548bf;
/* rgb */ color: rgb(53, 72, 191);
/* oklch */ color: oklch(46.4% 0.186 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f7bd3',
    500: '#3548bf',
    950: '#000000',
  },
}

SCSS

$custom: #3548bf;
$custom-light: #7f7bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3548bf",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 231.739,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46385,
    "c": 0.18638,
    "h": 270.3
  },
  "luminance": 0.09153
}

Semantic roles & 50–950 ramp

primary

#3548BF

secondary

#CAC185

accent

#CB48E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3548BF

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

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