#3949BE#3949BE

#3949BE is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.7% C 0.183 H 271.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#3949BE
RGB	rgb(57, 73, 190)
HSL	hsl(233, 54%, 48%)
HSV	hsv(233, 70%, 75%)
CMYK	cmyk(70%, 61.6%, 0%, 25.5%)
CIE-LAB	lab(36.65, 33.03, -63.32)
CIE-LCH	lch(36.65, 71.42, 297.55°)
OKLab	oklab(46.7% 0.0044 -0.1827)
OKLCH	oklch(46.7% 0.183 271.4)
XYZ	xyz(13.3610, 9.3513, 49.8061)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949BE #BEAE39

analogous

#398BBE #3949BE #6B39BE

triadic

#3949BE #BE3949 #49BE39

tetradic

#3949BE #BE398B #BEAE39 #39BE6B

square

#3949BE #BE398B #BEAE39 #39BE6B

split-complementary

#3949BE #BE6B39 #8BBE39

monochromatic

#1D2560 #2B378F #3949BE #6471D0 #939CDF

Accessibility & contrast

On white

7.32

#3949BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3949BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949BE

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949BE	#FFFFFF	#000000	##FFFFFF
##3949BE	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC2

Deuteranopia (green-blind)

#0050BC

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3949be;
/* rgb */ color: rgb(57, 73, 190);
/* oklch */ color: oklch(46.7% 0.183 271.4);

Tailwind

colors: {
  custom: {
    50: '#817bd3',
    500: '#3949be',
    950: '#000000',
  },
}

SCSS

$custom: #3949be;
$custom-light: #817bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3949be",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 190
  },
  "hsl": {
    "h": 232.782,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46695,
    "c": 0.18278,
    "h": 271.4
  },
  "luminance": 0.09353
}

Semantic roles & 50–950 ramp

primary

#3949BE

secondary

#CAC289

accent

#CC4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3949BE

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

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