#3864D0#3864D0

#3864D0 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.174 H 264.5°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3864D0
RGB	rgb(56, 100, 208)
HSL	hsl(223, 62%, 52%)
HSV	hsv(223, 73%, 82%)
CMYK	cmyk(73.1%, 51.9%, 0%, 18.4%)
CIE-LAB	lab(44.95, 22.10, -60.27)
CIE-LCH	lch(44.95, 64.19, 290.14°)
OKLab	oklab(53.33% -0.0167 -0.1734)
OKLCH	oklch(53.33% 0.174 264.5)
XYZ	xyz(17.5692, 14.5073, 61.5365)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864D0 #D0A438

analogous

#38B0D0 #3864D0 #5838D0

triadic

#3864D0 #D03864 #64D038

tetradic

#3864D0 #D038B0 #D0A438 #38D058

square

#3864D0 #D038B0 #D0A438 #38D058

split-complementary

#3864D0 #D05838 #B0D038

monochromatic

#1B3473 #274BA4 #3864D0 #6A8BDC #9BB1E7

Accessibility & contrast

On white

5.38

#3864D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3864D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864D0

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864D0	#FFFFFF	#000000	##FFFFFF
##3864D0	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B72D4

Deuteranopia (green-blind)

#0064CE

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3864d0;
/* rgb */ color: rgb(56, 100, 208);
/* oklch */ color: oklch(53.3% 0.174 264.5);

Tailwind

colors: {
  custom: {
    50: '#828fdf',
    500: '#3864d0',
    950: '#000000',
  },
}

SCSS

$custom: #3864d0;
$custom-light: #828fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3864d0",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 208
  },
  "hsl": {
    "h": 222.632,
    "s": 61.789,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53327,
    "c": 0.17421,
    "h": 264.5
  },
  "luminance": 0.14509
}

Semantic roles & 50–950 ramp

primary

#3864D0

secondary

#D3C091

accent

#B643E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864D0

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

Preview Lab → · Contrast checker → · Palette generator →