#3968D3#3968D3

#3968D3 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.4% C 0.173 H 263.8°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3968D3
RGB	rgb(57, 104, 211)
HSL	hsl(222, 64%, 53%)
HSV	hsv(222, 73%, 83%)
CMYK	cmyk(73%, 50.7%, 0%, 17.3%)
CIE-LAB	lab(46.27, 20.78, -59.84)
CIE-LCH	lch(46.27, 63.35, 289.15°)
OKLab	oklab(54.41% -0.0188 -0.1721)
OKLCH	oklch(54.41% 0.173 263.8)
XYZ	xyz(18.3914, 15.4716, 63.6324)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968D3 #D3A439

analogous

#39B5D3 #3968D3 #5739D3

triadic

#3968D3 #D33968 #68D339

tetradic

#3968D3 #D339B5 #D3A439 #39D357

square

#3968D3 #D339B5 #D3A439 #39D357

split-complementary

#3968D3 #D35739 #B5D339

monochromatic

#1A3777 #264EA9 #3968D3 #6B8EDE #9DB4E9

Accessibility & contrast

On white

5.13

#3968D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3968D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968D3

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968D3	#FFFFFF	#000000	##FFFFFF
##3968D3	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2575D7

Deuteranopia (green-blind)

#0067D1

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3968d3;
/* rgb */ color: rgb(57, 104, 211);
/* oklch */ color: oklch(54.4% 0.173 263.8);

Tailwind

colors: {
  custom: {
    50: '#8392e1',
    500: '#3968d3',
    950: '#000000',
  },
}

SCSS

$custom: #3968d3;
$custom-light: #8392e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3968d3",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 211
  },
  "hsl": {
    "h": 221.688,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.54408,
    "c": 0.1731,
    "h": 263.8
  },
  "luminance": 0.15474
}

Semantic roles & 50–950 ramp

primary

#3968D3

secondary

#D5C192

accent

#B441E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3968D3

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

Preview Lab → · Contrast checker → · Palette generator →