#3960BF#3960BF

#3960BF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.156 H 264.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3960BF
RGB	rgb(57, 96, 191)
HSL	hsl(223, 54%, 49%)
HSV	hsv(223, 70%, 75%)
CMYK	cmyk(70.2%, 49.7%, 0%, 25.1%)
CIE-LAB	lab(42.76, 18.56, -54.00)
CIE-LCH	lch(42.76, 57.10, 288.96°)
OKLab	oklab(51.3% -0.0144 -0.155)
OKLCH	oklch(51.3% 0.156 264.7)
XYZ	xyz(15.2709, 12.9956, 50.9837)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960BF #BF9839

analogous

#39A3BF #3960BF #5539BF

triadic

#3960BF #BF3960 #60BF39

tetradic

#3960BF #BF39A3 #BF9839 #39BF55

square

#3960BF #BF39A3 #BF9839 #39BF55

split-complementary

#3960BF #BF5539 #A3BF39

monochromatic

#1D3161 #2B4890 #3960BF #6484D1 #93A9DF

Accessibility & contrast

On white

5.83

#3960BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3960BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960BF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960BF	#FFFFFF	#000000	##FFFFFF
##3960BF	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296BC2

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3960bf;
/* rgb */ color: rgb(57, 96, 191);
/* oklch */ color: oklch(51.3% 0.156 264.7);

Tailwind

colors: {
  custom: {
    50: '#7f8cd3',
    500: '#3960bf',
    950: '#000000',
  },
}

SCSS

$custom: #3960bf;
$custom-light: #7f8cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3960bf",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 191
  },
  "hsl": {
    "h": 222.537,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.15568,
    "h": 264.7
  },
  "luminance": 0.12997
}

Semantic roles & 50–950 ramp

primary

#3960BF

secondary

#CAB78A

accent

#B34ADD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3960BF

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

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