#3968BF#3968BF

#3968BF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.146 H 261.5°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3968BF
RGB	rgb(57, 104, 191)
HSL	hsl(219, 54%, 49%)
HSV	hsv(219, 70%, 75%)
CMYK	cmyk(70.2%, 45.5%, 0%, 25.1%)
CIE-LAB	lab(44.98, 13.43, -50.42)
CIE-LCH	lch(44.98, 52.18, 284.92°)
OKLab	oklab(53.01% -0.0216 -0.1443)
OKLCH	oklch(53.01% 0.146 261.5)
XYZ	xyz(16.0383, 14.5304, 51.2395)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968BF #BF9039

analogous

#39ABBF #3968BF #4D39BF

triadic

#3968BF #BF3968 #68BF39

tetradic

#3968BF #BF39AB #BF9039 #39BF4D

square

#3968BF #BF39AB #BF9039 #39BF4D

split-complementary

#3968BF #BF4D39 #ABBF39

monochromatic

#1D3561 #2B4E90 #3968BF #648AD1 #93AEDF

Accessibility & contrast

On white

5.38

#3968BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3968BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968BF

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968BF	#FFFFFF	#000000	##FFFFFF
##3968BF	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C71C2

Deuteranopia (green-blind)

#2165BD

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3968bf;
/* rgb */ color: rgb(57, 104, 191);
/* oklch */ color: oklch(53.0% 0.146 261.5);

Tailwind

colors: {
  custom: {
    50: '#7f92d3',
    500: '#3968bf',
    950: '#000000',
  },
}

SCSS

$custom: #3968bf;
$custom-light: #7f92d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3968bf",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 191
  },
  "hsl": {
    "h": 218.955,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53009,
    "c": 0.14596,
    "h": 261.5
  },
  "luminance": 0.14532
}

Semantic roles & 50–950 ramp

primary

#3968BF

secondary

#CAB48A

accent

#AA4ADD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3968BF

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

Preview Lab → · Contrast checker → · Palette generator →