#3940BE#3940BE

#3940BE is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.193 H 273.2°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3940BE
RGB	rgb(57, 64, 190)
HSL	hsl(237, 54%, 48%)
HSV	hsv(237, 70%, 75%)
CMYK	cmyk(70%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(34.50, 38.67, -66.83)
CIE-LCH	lch(34.50, 77.22, 300.06°)
OKLab	oklab(45.12% 0.0107 -0.1931)
OKLCH	oklch(45.12% 0.193 273.2)
XYZ	xyz(12.8119, 8.2531, 49.6230)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3940BE #BEB739

analogous

#3982BE #3940BE #7439BE

triadic

#3940BE #BE3940 #40BE39

tetradic

#3940BE #BE3982 #BEB739 #39BE74

square

#3940BE #BE3982 #BEB739 #39BE74

split-complementary

#3940BE #BE7439 #82BE39

monochromatic

#1D2060 #2B308F #3940BE #6469D0 #9397DF

Accessibility & contrast

On white

7.92

#3940BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3940BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940BE

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940BE	#FFFFFF	#000000	##FFFFFF
##3940BE	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C2

Deuteranopia (green-blind)

#004BBC

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3940be;
/* rgb */ color: rgb(57, 64, 190);
/* oklch */ color: oklch(45.1% 0.193 273.2);

Tailwind

colors: {
  custom: {
    50: '#8175d3',
    500: '#3940be',
    950: '#000000',
  },
}

SCSS

$custom: #3940be;
$custom-light: #8175d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3940be",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 236.842,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45121,
    "c": 0.19339,
    "h": 273.2
  },
  "luminance": 0.08254
}

Semantic roles & 50–950 ramp

primary

#3940BE

secondary

#CAC689

accent

#D64BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3940BE

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

Preview Lab → · Contrast checker → · Palette generator →