#3968D4#3968D4

#3968D4 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.5% C 0.174 H 263.8°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3968D4
RGB	rgb(57, 104, 212)
HSL	hsl(222, 64%, 53%)
HSV	hsv(222, 73%, 83%)
CMYK	cmyk(73.1%, 50.9%, 0%, 16.9%)
CIE-LAB	lab(46.34, 21.14, -60.31)
CIE-LCH	lch(46.34, 63.91, 289.32°)
OKLab	oklab(54.48% -0.0187 -0.1734)
OKLCH	oklch(54.48% 0.174 263.8)
XYZ	xyz(18.5171, 15.5219, 64.2947)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968D4 #D4A539

analogous

#39B6D4 #3968D4 #5739D4

triadic

#3968D4 #D43968 #68D439

tetradic

#3968D4 #D439B6 #D4A539 #39D457

square

#3968D4 #D439B6 #D4A539 #39D457

split-complementary

#3968D4 #D45739 #B6D439

monochromatic

#1A3778 #254EAB #3968D4 #6B8EDF #9EB5EA

Accessibility & contrast

On white

5.12

#3968D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3968D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968D4

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968D4	#FFFFFF	#000000	##FFFFFF
##3968D4	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2375D8

Deuteranopia (green-blind)

#0067D2

Tritanopia (blue-blind)

#008294

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3968d4;
/* rgb */ color: rgb(57, 104, 212);
/* oklch */ color: oklch(54.5% 0.174 263.8);

Tailwind

colors: {
  custom: {
    50: '#8392e2',
    500: '#3968d4',
    950: '#000000',
  },
}

SCSS

$custom: #3968d4;
$custom-light: #8392e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3968d4",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 212
  },
  "hsl": {
    "h": 221.806,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54481,
    "c": 0.17444,
    "h": 263.8
  },
  "luminance": 0.15524
}

Semantic roles & 50–950 ramp

primary

#3968D4

secondary

#D6C293

accent

#B540E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3968D4

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

Preview Lab → · Contrast checker → · Palette generator →