#3545B7#3545B7

#3545B7 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.1% C 0.179 H 271.1°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3545B7
RGB	rgb(53, 69, 183)
HSL	hsl(233, 55%, 46%)
HSV	hsv(233, 71%, 72%)
CMYK	cmyk(71%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(34.86, 32.57, -62.13)
CIE-LCH	lch(34.86, 70.15, 297.66°)
OKLab	oklab(45.14% 0.0034 -0.1794)
OKLCH	oklch(45.14% 0.179 271.1)
XYZ	xyz(12.1407, 8.4308, 45.7780)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545B7 #B7A735

analogous

#3586B7 #3545B7 #6635B7

triadic

#3545B7 #B73545 #45B735

tetradic

#3545B7 #B73586 #B7A735 #35B766

square

#3545B7 #B73586 #B7A735 #35B766

split-complementary

#3545B7 #B76635 #86B735

monochromatic

#1A2158 #273388 #3545B7 #5A68CF #8994DD

Accessibility & contrast

On white

7.82

#3545B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3545B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545B7

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545B7	#FFFFFF	#000000	##FFFFFF
##3545B7	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3545b7;
/* rgb */ color: rgb(53, 69, 183);
/* oklch */ color: oklch(45.1% 0.179 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e78ce',
    500: '#3545b7',
    950: '#000000',
  },
}

SCSS

$custom: #3545b7;
$custom-light: #7e78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3545b7",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 232.615,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45137,
    "c": 0.1794,
    "h": 271.1
  },
  "luminance": 0.08432
}

Semantic roles & 50–950 ramp

primary

#3545B7

secondary

#C7BE81

accent

#CC49DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3545B7

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

Preview Lab → · Contrast checker → · Palette generator →