#3947D2#3947D2

#3947D2 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.1% C 0.211 H 271.2°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#3947D2
RGB	rgb(57, 71, 210)
HSL	hsl(235, 63%, 52%)
HSV	hsv(235, 73%, 82%)
CMYK	cmyk(72.9%, 66.2%, 0%, 17.6%)
CIE-LAB	lab(37.89, 41.28, -72.92)
CIE-LCH	lch(37.89, 83.79, 299.52°)
OKLab	oklab(48.13% 0.0046 -0.2109)
OKLCH	oklch(48.13% 0.211 271.2)
XYZ	xyz(15.5695, 10.0279, 62.0753)
Luminance	0.1003 (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

#3947D2 #D2C439

analogous

#3993D2 #3947D2 #7839D2

triadic

#3947D2 #D23947 #47D239

tetradic

#3947D2 #D23993 #D2C439 #39D278

square

#3947D2 #D23993 #D2C439 #39D278

split-complementary

#3947D2 #D27839 #93D239

monochromatic

#1B2376 #2632A8 #3947D2 #6B75DD #9DA4E9

Accessibility & contrast

On white

6.99

#3947D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3947D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3947D2

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3947D2	#FFFFFF	#000000	##FFFFFF
##3947D2	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D6

Deuteranopia (green-blind)

#0052CF

Tritanopia (blue-blind)

#006C86

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3947d2;
/* rgb */ color: rgb(57, 71, 210);
/* oklch */ color: oklch(48.1% 0.211 271.2);

Tailwind

colors: {
  custom: {
    50: '#857ae1',
    500: '#3947d2',
    950: '#000000',
  },
}

SCSS

$custom: #3947d2;
$custom-light: #857ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#3947d2",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 210
  },
  "hsl": {
    "h": 234.51,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48132,
    "c": 0.21092,
    "h": 271.2
  },
  "luminance": 0.10029
}

Semantic roles & 50–950 ramp

primary

#3947D2

secondary

#D5CF92

accent

#D742E6

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3947D2

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

Preview Lab → · Contrast checker → · Palette generator →