#3960B9#3960B9

#3960B9 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.147 H 264.1°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3960B9
RGB	rgb(57, 96, 185)
HSL	hsl(222, 53%, 47%)
HSV	hsv(222, 69%, 73%)
CMYK	cmyk(69.2%, 48.1%, 0%, 27.5%)
CIE-LAB	lab(42.36, 16.36, -51.14)
CIE-LCH	lch(42.36, 53.69, 287.74°)
OKLab	oklab(50.88% -0.0152 -0.1466)
OKLCH	oklch(50.88% 0.147 264.1)
XYZ	xyz(14.6241, 12.7369, 47.5773)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960B9 #B99239

analogous

#39A0B9 #3960B9 #5239B9

triadic

#3960B9 #B93960 #60B939

tetradic

#3960B9 #B939A0 #B99239 #39B952

square

#3960B9 #B939A0 #B99239 #39B952

split-complementary

#3960B9 #B95239 #A0B939

monochromatic

#1C2F5B #2B488A #3960B9 #6182CE #90A7DD

Accessibility & contrast

On white

5.92

#3960B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3960B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960B9

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960B9	#FFFFFF	#000000	##FFFFFF
##3960B9	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306ABC

Deuteranopia (green-blind)

#105EB7

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3960b9;
/* rgb */ color: rgb(57, 96, 185);
/* oklch */ color: oklch(50.9% 0.147 264.1);

Tailwind

colors: {
  custom: {
    50: '#7e8ccf',
    500: '#3960b9',
    950: '#000000',
  },
}

SCSS

$custom: #3960b9;
$custom-light: #7e8ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3960b9",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 185
  },
  "hsl": {
    "h": 221.719,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50877,
    "c": 0.14738,
    "h": 264.1
  },
  "luminance": 0.12738
}

Semantic roles & 50–950 ramp

primary

#3960B9

secondary

#C8B486

accent

#B04BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3960B9

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

Preview Lab → · Contrast checker → · Palette generator →