#3968CC#3968CC

#3968CC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.164 H 263.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3968CC
RGB	rgb(57, 104, 204)
HSL	hsl(221, 59%, 51%)
HSV	hsv(221, 72%, 80%)
CMYK	cmyk(72.1%, 49%, 0%, 20%)
CIE-LAB	lab(45.81, 18.21, -56.59)
CIE-LCH	lch(45.81, 59.44, 287.84°)
OKLab	oklab(53.91% -0.0196 -0.1625)
OKLCH	oklch(53.91% 0.164 263.1)
XYZ	xyz(17.5329, 15.1282, 59.1111)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968CC #CC9D39

analogous

#39B1CC #3968CC #5339CC

triadic

#3968CC #CC3968 #68CC39

tetradic

#3968CC #CC39B1 #CC9D39 #39CC53

square

#3968CC #CC39B1 #CC9D39 #39CC53

split-complementary

#3968CC #CC5339 #B1CC39

monochromatic

#1C376E #294F9F #3968CC #6A8DD9 #9AB2E5

Accessibility & contrast

On white

5.22

#3968CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3968CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968CC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968CC	#FFFFFF	#000000	##FFFFFF
##3968CC	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F74D0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3968cc;
/* rgb */ color: rgb(57, 104, 204);
/* oklch */ color: oklch(53.9% 0.164 263.1);

Tailwind

colors: {
  custom: {
    50: '#8292dc',
    500: '#3968cc',
    950: '#000000',
  },
}

SCSS

$custom: #3968cc;
$custom-light: #8292dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3968cc",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 204
  },
  "hsl": {
    "h": 220.816,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53906,
    "c": 0.16367,
    "h": 263.1
  },
  "luminance": 0.1513
}

Semantic roles & 50–950 ramp

primary

#3968CC

secondary

#D1BC90

accent

#B046E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3968CC

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

Preview Lab → · Contrast checker → · Palette generator →