#3864EA#3864EA

#3864EA is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.3% C 0.208 H 265.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3864EA
RGB	rgb(56, 100, 234)
HSL	hsl(225, 81%, 57%)
HSV	hsv(225, 76%, 92%)
CMYK	cmyk(76.1%, 57.3%, 0%, 8.2%)
CIE-LAB	lab(46.83, 31.60, -71.97)
CIE-LCH	lch(46.83, 78.61, 293.70°)
OKLab	oklab(55.34% -0.0149 -0.2078)
OKLCH	oklch(55.34% 0.208 265.9)
XYZ	xyz(21.0341, 15.8932, 79.7851)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864EA #EABE38

analogous

#38BDEA #3864EA #6538EA

triadic

#3864EA #EA3864 #64EA38

tetradic

#3864EA #EA38BD #EABE38 #38EA65

square

#3864EA #EA38BD #EABE38 #38EA65

split-complementary

#3864EA #EA6538 #BDEA38

monochromatic

#103298 #1644CF #3864EA #6F8FF0 #A7BAF6

Accessibility & contrast

On white

5.02

#3864EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3864EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864EA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864EA	#FFFFFF	#000000	##FFFFFF
##3864EA	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EF

Deuteranopia (green-blind)

#0067E7

Tritanopia (blue-blind)

#00869D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3864ea;
/* rgb */ color: rgb(56, 100, 234);
/* oklch */ color: oklch(55.3% 0.208 265.9);

Tailwind

colors: {
  custom: {
    50: '#888ff2',
    500: '#3864ea',
    950: '#000000',
  },
}

SCSS

$custom: #3864ea;
$custom-light: #888ff2;
$custom-dark: #000000;

JSON

{
  "hex": "#3864ea",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 234
  },
  "hsl": {
    "h": 225.169,
    "s": 80.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5534,
    "c": 0.20837,
    "h": 265.9
  },
  "luminance": 0.15896
}

Semantic roles & 50–950 ramp

primary

#3864EA

secondary

#E3D19B

accent

#C630F7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3864EA

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

Preview Lab → · Contrast checker → · Palette generator →