#3968BB#3968BB

#3968BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.7% C 0.140 H 260.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3968BB
RGB	rgb(57, 104, 187)
HSL	hsl(218, 53%, 48%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(69.5%, 44.4%, 0%, 26.7%)
CIE-LAB	lab(44.74, 11.97, -48.49)
CIE-LCH	lch(44.74, 49.95, 283.87°)
OKLab	oklab(52.74% -0.0223 -0.1387)
OKLCH	oklch(52.74% 0.14 260.9)
XYZ	xyz(15.6041, 14.3567, 48.9528)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968BB #BB8C39

analogous

#39A9BB #3968BB #4B39BB

triadic

#3968BB #BB3968 #68BB39

tetradic

#3968BB #BB39A9 #BB8C39 #39BB4B

square

#3968BB #BB39A9 #BB8C39 #39BB4B

split-complementary

#3968BB #BB4B39 #A9BB39

monochromatic

#1C345D #2B4E8C #3968BB #6289CF #91ADDD

Accessibility & contrast

On white

5.42

#3968BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3968BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968BB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968BB	#FFFFFF	#000000	##FFFFFF
##3968BB	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#2864B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3968bb;
/* rgb */ color: rgb(57, 104, 187);
/* oklch */ color: oklch(52.7% 0.140 260.9);

Tailwind

colors: {
  custom: {
    50: '#7e92d0',
    500: '#3968bb',
    950: '#000000',
  },
}

SCSS

$custom: #3968bb;
$custom-light: #7e92d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3968bb",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 187
  },
  "hsl": {
    "h": 218.308,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.52742,
    "c": 0.14046,
    "h": 260.9
  },
  "luminance": 0.14358
}

Semantic roles & 50–950 ramp

primary

#3968BB

secondary

#C8B187

accent

#A84BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3968BB

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

Preview Lab → · Contrast checker → · Palette generator →