#3864E6#3864E6

#3864E6 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.0% C 0.203 H 265.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3864E6
RGB	rgb(56, 100, 230)
HSL	hsl(225, 78%, 56%)
HSV	hsv(225, 76%, 90%)
CMYK	cmyk(75.7%, 56.5%, 0%, 9.8%)
CIE-LAB	lab(46.53, 30.15, -70.21)
CIE-LCH	lch(46.53, 76.41, 293.24°)
OKLab	oklab(55.02% -0.0151 -0.2026)
OKLCH	oklch(55.02% 0.203 265.7)
XYZ	xyz(20.4660, 15.6660, 76.7928)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864E6 #E6BA38

analogous

#38BBE6 #3864E6 #6338E6

triadic

#3864E6 #E63864 #64E638

tetradic

#3864E6 #E638BB #E6BA38 #38E663

square

#3864E6 #E638BB #E6BA38 #38E663

split-complementary

#3864E6 #E66338 #BBE638

monochromatic

#123291 #1945C8 #3864E6 #6E8EED #A5B9F4

Accessibility & contrast

On white

5.08

#3864E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3864E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864E6

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864E6	#FFFFFF	#000000	##FFFFFF
##3864E6	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077EA

Deuteranopia (green-blind)

#0067E3

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3864e6;
/* rgb */ color: rgb(56, 100, 230);
/* oklch */ color: oklch(55.0% 0.203 265.7);

Tailwind

colors: {
  custom: {
    50: '#878fef',
    500: '#3864e6',
    950: '#000000',
  },
}

SCSS

$custom: #3864e6;
$custom-light: #878fef;
$custom-dark: #000000;

JSON

{
  "hex": "#3864e6",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 230
  },
  "hsl": {
    "h": 224.828,
    "s": 77.679,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5502,
    "c": 0.2032,
    "h": 265.7
  },
  "luminance": 0.15668
}

Semantic roles & 50–950 ramp

primary

#3864E6

secondary

#E1CF99

accent

#C334F4

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3864E6

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

Preview Lab → · Contrast checker → · Palette generator →