#3968D1#3968D1

#3968D1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.3% C 0.170 H 263.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3968D1
RGB	rgb(57, 104, 209)
HSL	hsl(221, 62%, 52%)
HSV	hsv(221, 73%, 82%)
CMYK	cmyk(72.7%, 50.2%, 0%, 18%)
CIE-LAB	lab(46.14, 20.04, -58.92)
CIE-LCH	lch(46.14, 62.23, 288.79°)
OKLab	oklab(54.26% -0.019 -0.1693)
OKLCH	oklch(54.26% 0.17 263.6)
XYZ	xyz(18.1422, 15.3720, 62.3202)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968D1 #D1A239

analogous

#39B4D1 #3968D1 #5639D1

triadic

#3968D1 #D13968 #68D139

tetradic

#3968D1 #D139B4 #D1A239 #39D156

square

#3968D1 #D139B4 #D1A239 #39D156

split-complementary

#3968D1 #D15639 #B4D139

monochromatic

#1B3775 #274EA6 #3968D1 #6B8EDD #9CB4E8

Accessibility & contrast

On white

5.15

#3968D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3968D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968D1

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968D1	#FFFFFF	#000000	##FFFFFF
##3968D1	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2875D5

Deuteranopia (green-blind)

#0067CF

Tritanopia (blue-blind)

#008193

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3968d1;
/* rgb */ color: rgb(57, 104, 209);
/* oklch */ color: oklch(54.3% 0.170 263.6);

Tailwind

colors: {
  custom: {
    50: '#8392e0',
    500: '#3968d1',
    950: '#000000',
  },
}

SCSS

$custom: #3968d1;
$custom-light: #8392e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3968d1",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 209
  },
  "hsl": {
    "h": 221.447,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.54263,
    "c": 0.17042,
    "h": 263.6
  },
  "luminance": 0.15374
}

Semantic roles & 50–950 ramp

primary

#3968D1

secondary

#D4C092

accent

#B342E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3968D1

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

Preview Lab → · Contrast checker → · Palette generator →