#3548B0#3548B0

#3548B0 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.166 H 270.4°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3548B0
RGB	rgb(53, 72, 176)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 69%)
CMYK	cmyk(69.9%, 59.1%, 0%, 31%)
CIE-LAB	lab(35.05, 28.09, -57.68)
CIE-LCH	lch(35.05, 64.16, 295.97°)
OKLab	oklab(45.1% 0.0012 -0.1663)
OKLCH	oklch(45.1% 0.166 270.4)
XYZ	xyz(11.6194, 8.5251, 42.0990)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548B0 #B09D35

analogous

#3585B0 #3548B0 #6035B0

triadic

#3548B0 #B03548 #48B035

tetradic

#3548B0 #B03585 #B09D35 #35B060

square

#3548B0 #B03585 #B09D35 #35B060

split-complementary

#3548B0 #B06035 #85B035

monochromatic

#192252 #273581 #3548B0 #5668CC #8592DA

Accessibility & contrast

On white

7.76

#3548B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3548B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548B0

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548B0	#FFFFFF	#000000	##FFFFFF
##3548B0	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3548b0;
/* rgb */ color: rgb(53, 72, 176);
/* oklch */ color: oklch(45.1% 0.166 270.4);

Tailwind

colors: {
  custom: {
    50: '#7c7ac8',
    500: '#3548b0',
    950: '#000000',
  },
}

SCSS

$custom: #3548b0;
$custom-light: #7c7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3548b0",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 176
  },
  "hsl": {
    "h": 230.732,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45099,
    "c": 0.16627,
    "h": 270.4
  },
  "luminance": 0.08526
}

Semantic roles & 50–950 ramp

primary

#3548B0

secondary

#C4B97D

accent

#C64BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3548B0

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

Preview Lab → · Contrast checker → · Palette generator →