#3545B8#3545B8

#3545B8 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.181 H 271.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3545B8
RGB	rgb(53, 69, 184)
HSL	hsl(233, 55%, 46%)
HSV	hsv(233, 71%, 72%)
CMYK	cmyk(71.2%, 62.5%, 0%, 27.8%)
CIE-LAB	lab(34.95, 32.92, -62.58)
CIE-LCH	lch(34.95, 70.72, 297.75°)
OKLab	oklab(45.23% 0.0033 -0.1807)
OKLCH	oklch(45.23% 0.181 271.1)
XYZ	xyz(12.2451, 8.4726, 46.3282)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545B8 #B8A835

analogous

#3587B8 #3545B8 #6735B8

triadic

#3545B8 #B83545 #45B835

tetradic

#3545B8 #B83587 #B8A835 #35B867

square

#3545B8 #B83587 #B8A835 #35B867

split-complementary

#3545B8 #B86735 #87B835

monochromatic

#1A2159 #273388 #3545B8 #5B69D0 #8A94DD

Accessibility & contrast

On white

7.79

#3545B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3545B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545B8

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545B8	#FFFFFF	#000000	##FFFFFF
##3545B8	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BC

Deuteranopia (green-blind)

#004CB6

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3545b8;
/* rgb */ color: rgb(53, 69, 184);
/* oklch */ color: oklch(45.2% 0.181 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e78ce',
    500: '#3545b8',
    950: '#000000',
  },
}

SCSS

$custom: #3545b8;
$custom-light: #7e78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3545b8",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 184
  },
  "hsl": {
    "h": 232.672,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45225,
    "c": 0.18073,
    "h": 271.1
  },
  "luminance": 0.08474
}

Semantic roles & 50–950 ramp

primary

#3545B8

secondary

#C7BF81

accent

#CC49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3545B8

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

Preview Lab → · Contrast checker → · Palette generator →