#3968D0#3968D0

#3968D0 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.169 H 263.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3968D0
RGB	rgb(57, 104, 208)
HSL	hsl(221, 62%, 52%)
HSV	hsv(221, 73%, 82%)
CMYK	cmyk(72.6%, 50%, 0%, 18.4%)
CIE-LAB	lab(46.07, 19.68, -58.45)
CIE-LCH	lch(46.07, 61.68, 288.60°)
OKLab	oklab(54.19% -0.0191 -0.168)
OKLCH	oklch(54.19% 0.169 263.5)
XYZ	xyz(18.0188, 15.3226, 61.6702)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968D0 #D0A139

analogous

#39B3D0 #3968D0 #5639D0

triadic

#3968D0 #D03968 #68D039

tetradic

#3968D0 #D039B3 #D0A139 #39D056

square

#3968D0 #D039B3 #D0A139 #39D056

split-complementary

#3968D0 #D05639 #B3D039

monochromatic

#1B3773 #274EA5 #3968D0 #6A8EDC #9CB3E7

Accessibility & contrast

On white

5.17

#3968D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3968D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968D0

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968D0	#FFFFFF	#000000	##FFFFFF
##3968D0	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A74D4

Deuteranopia (green-blind)

#0067CE

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3968d0;
/* rgb */ color: rgb(57, 104, 208);
/* oklch */ color: oklch(54.2% 0.169 263.5);

Tailwind

colors: {
  custom: {
    50: '#8392df',
    500: '#3968d0',
    950: '#000000',
  },
}

SCSS

$custom: #3968d0;
$custom-light: #8392df;
$custom-dark: #000000;

JSON

{
  "hex": "#3968d0",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 208
  },
  "hsl": {
    "h": 221.325,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.54191,
    "c": 0.16907,
    "h": 263.5
  },
  "luminance": 0.15325
}

Semantic roles & 50–950 ramp

primary

#3968D0

secondary

#D3BF91

accent

#B243E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3968D0

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

Preview Lab → · Contrast checker → · Palette generator →