#3940D2#3940D2

#3940D2 is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.218 H 272.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#3940D2
RGB	rgb(57, 64, 210)
HSL	hsl(237, 63%, 52%)
HSV	hsv(237, 73%, 82%)
CMYK	cmyk(72.9%, 69.5%, 0%, 17.6%)
CIE-LAB	lab(36.34, 45.48, -75.46)
CIE-LCH	lch(36.34, 88.11, 301.07°)
OKLab	oklab(47.01% 0.0085 -0.2183)
OKLCH	oklch(47.01% 0.218 272.2)
XYZ	xyz(15.1497, 9.1882, 61.9354)
Luminance	0.0919 (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

#3940D2 #D2CB39

analogous

#398CD2 #3940D2 #7F39D2

triadic

#3940D2 #D23940 #40D239

tetradic

#3940D2 #D2398C #D2CB39 #39D27F

square

#3940D2 #D2398C #D2CB39 #39D27F

split-complementary

#3940D2 #D27F39 #8CD239

monochromatic

#1B1F76 #262CA8 #3940D2 #6B70DD #9DA0E9

Accessibility & contrast

On white

7.40

#3940D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3940D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940D2

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940D2	#FFFFFF	#000000	##FFFFFF
##3940D2	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD6

Deuteranopia (green-blind)

#004ECF

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3940d2;
/* rgb */ color: rgb(57, 64, 210);
/* oklch */ color: oklch(47.0% 0.218 272.2);

Tailwind

colors: {
  custom: {
    50: '#8676e1',
    500: '#3940d2',
    950: '#000000',
  },
}

SCSS

$custom: #3940d2;
$custom-light: #8676e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3940d2",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 210
  },
  "hsl": {
    "h": 237.255,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47011,
    "c": 0.21848,
    "h": 272.2
  },
  "luminance": 0.0919
}

Semantic roles & 50–950 ramp

primary

#3940D2

secondary

#D5D292

accent

#DE42E6

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #3940D2

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

Preview Lab → · Contrast checker → · Palette generator →