#3968B9#3968B9

#3968B9 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.6% C 0.138 H 260.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3968B9
RGB	rgb(57, 104, 185)
HSL	hsl(218, 53%, 47%)
HSV	hsv(218, 69%, 73%)
CMYK	cmyk(69.2%, 43.8%, 0%, 27.5%)
CIE-LAB	lab(44.62, 11.24, -47.52)
CIE-LCH	lch(44.62, 48.83, 283.31°)
OKLab	oklab(52.61% -0.0227 -0.1358)
OKLCH	oklch(52.61% 0.138 260.5)
XYZ	xyz(15.3915, 14.2717, 47.8331)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B9 #B98A39

analogous

#39A8B9 #3968B9 #4A39B9

triadic

#3968B9 #B93968 #68B939

tetradic

#3968B9 #B939A8 #B98A39 #39B94A

square

#3968B9 #B939A8 #B98A39 #39B94A

split-complementary

#3968B9 #B94A39 #A8B939

monochromatic

#1C335B #2B4E8A #3968B9 #6189CE #90ACDD

Accessibility & contrast

On white

5.45

#3968B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3968B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B9

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B9	#FFFFFF	#000000	##FFFFFF
##3968B9	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4170BC

Deuteranopia (green-blind)

#2A64B7

Tritanopia (blue-blind)

#007B87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3968b9;
/* rgb */ color: rgb(57, 104, 185);
/* oklch */ color: oklch(52.6% 0.138 260.5);

Tailwind

colors: {
  custom: {
    50: '#7e92ce',
    500: '#3968b9',
    950: '#000000',
  },
}

SCSS

$custom: #3968b9;
$custom-light: #7e92ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b9",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 185
  },
  "hsl": {
    "h": 217.969,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5261,
    "c": 0.1377,
    "h": 260.5
  },
  "luminance": 0.14273
}

Semantic roles & 50–950 ramp

primary

#3968B9

secondary

#C8B086

accent

#A74BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3968B9

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

Preview Lab → · Contrast checker → · Palette generator →