#3960CC#3960CC

#3960CC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.173 H 265.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3960CC
RGB	rgb(57, 96, 204)
HSL	hsl(224, 59%, 51%)
HSV	hsv(224, 72%, 80%)
CMYK	cmyk(72.1%, 52.9%, 0%, 20%)
CIE-LAB	lab(43.64, 23.32, -60.08)
CIE-LCH	lch(43.64, 64.45, 291.22°)
OKLab	oklab(52.26% -0.013 -0.1729)
OKLCH	oklch(52.26% 0.173 265.7)
XYZ	xyz(16.7655, 13.5935, 58.8553)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960CC #CCA539

analogous

#39A9CC #3960CC #5B39CC

triadic

#3960CC #CC3960 #60CC39

tetradic

#3960CC #CC39A9 #CCA539 #39CC5B

square

#3960CC #CC39A9 #CCA539 #39CC5B

split-complementary

#3960CC #CC5B39 #A9CC39

monochromatic

#1C326E #29489F #3960CC #6A87D9 #9AAEE5

Accessibility & contrast

On white

5.65

#3960CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3960CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960CC

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960CC	#FFFFFF	#000000	##FFFFFF
##3960CC	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116ED0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3960cc;
/* rgb */ color: rgb(57, 96, 204);
/* oklch */ color: oklch(52.3% 0.173 265.7);

Tailwind

colors: {
  custom: {
    50: '#828cdc',
    500: '#3960cc',
    950: '#000000',
  },
}

SCSS

$custom: #3960cc;
$custom-light: #828cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3960cc",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 204
  },
  "hsl": {
    "h": 224.082,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52259,
    "c": 0.1734,
    "h": 265.7
  },
  "luminance": 0.13595
}

Semantic roles & 50–950 ramp

primary

#3960CC

secondary

#D1C090

accent

#B946E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3960CC

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

Preview Lab → · Contrast checker → · Palette generator →