#3969CC#3969CC

#3969CC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.1% C 0.162 H 262.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3969CC
RGB	rgb(57, 105, 204)
HSL	hsl(220, 59%, 51%)
HSV	hsv(220, 72%, 80%)
CMYK	cmyk(72.1%, 48.5%, 0%, 20%)
CIE-LAB	lab(46.08, 17.57, -56.14)
CIE-LCH	lch(46.08, 58.83, 287.38°)
OKLab	oklab(54.12% -0.0205 -0.1612)
OKLCH	oklch(54.12% 0.162 262.8)
XYZ	xyz(17.6341, 15.3308, 59.1448)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969CC #CC9C39

analogous

#39B2CC #3969CC #5239CC

triadic

#3969CC #CC3969 #69CC39

tetradic

#3969CC #CC39B2 #CC9C39 #39CC52

square

#3969CC #CC39B2 #CC9C39 #39CC52

split-complementary

#3969CC #CC5239 #B2CC39

monochromatic

#1C376E #294F9F #3969CC #6A8ED9 #9AB3E5

Accessibility & contrast

On white

5.16

#3969CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3969CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969CC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969CC	#FFFFFF	#000000	##FFFFFF
##3969CC	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3174D0

Deuteranopia (green-blind)

#0067CA

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3969cc;
/* rgb */ color: rgb(57, 105, 204);
/* oklch */ color: oklch(54.1% 0.162 262.8);

Tailwind

colors: {
  custom: {
    50: '#8293dc',
    500: '#3969cc',
    950: '#000000',
  },
}

SCSS

$custom: #3969cc;
$custom-light: #8293dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3969cc",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 204
  },
  "hsl": {
    "h": 220.408,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54116,
    "c": 0.16247,
    "h": 262.8
  },
  "luminance": 0.15333
}

Semantic roles & 50–950 ramp

primary

#3969CC

secondary

#D1BC90

accent

#AF46E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3969CC

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

Preview Lab → · Contrast checker → · Palette generator →