#3548BA#3548BA

#3548BA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.180 H 270.4°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#3548BA
RGB	rgb(53, 72, 186)
HSL	hsl(231, 56%, 47%)
HSV	hsv(231, 72%, 73%)
CMYK	cmyk(71.5%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(35.86, 31.72, -62.27)
CIE-LCH	lch(35.86, 69.89, 296.99°)
OKLab	oklab(45.95% 0.0011 -0.1798)
OKLCH	oklch(45.95% 0.18 270.4)
XYZ	xyz(12.6455, 8.9355, 47.5031)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548BA #BAA735

analogous

#358ABA #3548BA #6535BA

triadic

#3548BA #BA3548 #48BA35

tetradic

#3548BA #BA358A #BAA735 #35BA65

square

#3548BA #BA358A #BAA735 #35BA65

split-complementary

#3548BA #BA6535 #8ABA35

monochromatic

#1A235B #27368A #3548BA #5C6CD0 #8B97DE

Accessibility & contrast

On white

7.53

#3548BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3548BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548BA

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548BA	#FFFFFF	#000000	##FFFFFF
##3548BA	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3548ba;
/* rgb */ color: rgb(53, 72, 186);
/* oklch */ color: oklch(45.9% 0.180 270.4);

Tailwind

colors: {
  custom: {
    50: '#7e7ad0',
    500: '#3548ba',
    950: '#000000',
  },
}

SCSS

$custom: #3548ba;
$custom-light: #7e7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3548ba",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 231.429,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45949,
    "c": 0.17976,
    "h": 270.4
  },
  "luminance": 0.08937
}

Semantic roles & 50–950 ramp

primary

#3548BA

secondary

#C8BE82

accent

#CA49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3548BA

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

Preview Lab → · Contrast checker → · Palette generator →