#3549B9#3549B9

#3549B9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.177 H 270.1°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#3549B9
RGB	rgb(53, 73, 185)
HSL	hsl(231, 55%, 47%)
HSV	hsv(231, 71%, 73%)
CMYK	cmyk(71.4%, 60.5%, 0%, 27.5%)
CIE-LAB	lab(36.03, 30.71, -61.41)
CIE-LCH	lch(36.03, 68.66, 296.57°)
OKLab	oklab(46.05% 0.0004 -0.1772)
OKLCH	oklch(46.05% 0.177 270.1)
XYZ	xyz(12.6047, 9.0235, 46.9670)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B9 #B9A535

analogous

#358BB9 #3549B9 #6335B9

triadic

#3549B9 #B93549 #49B935

tetradic

#3549B9 #B9358B #B9A535 #35B963

square

#3549B9 #B9358B #B9A535 #35B963

split-complementary

#3549B9 #B96335 #8BB935

monochromatic

#1A235A #273689 #3549B9 #5B6DD0 #8B97DE

Accessibility & contrast

On white

7.49

#3549B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3549B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B9

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B9	#FFFFFF	#000000	##FFFFFF
##3549B9	1.00	7.49	2.81	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3549b9;
/* rgb */ color: rgb(53, 73, 185);
/* oklch */ color: oklch(46.0% 0.177 270.1);

Tailwind

colors: {
  custom: {
    50: '#7e7bcf',
    500: '#3549b9',
    950: '#000000',
  },
}

SCSS

$custom: #3549b9;
$custom-light: #7e7bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b9",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 185
  },
  "hsl": {
    "h": 230.909,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46049,
    "c": 0.17721,
    "h": 270.1
  },
  "luminance": 0.09025
}

Semantic roles & 50–950 ramp

primary

#3549B9

secondary

#C8BD82

accent

#C849DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3549B9

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

Preview Lab → · Contrast checker → · Palette generator →