#3864CE#3864CE

#3864CE is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.172 H 264.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3864CE
RGB	rgb(56, 100, 206)
HSL	hsl(222, 60%, 51%)
HSV	hsv(222, 73%, 81%)
CMYK	cmyk(72.8%, 51.5%, 0%, 19.2%)
CIE-LAB	lab(44.81, 21.36, -59.34)
CIE-LCH	lch(44.81, 63.07, 289.80°)
OKLab	oklab(53.18% -0.0169 -0.1707)
OKLCH	oklch(53.18% 0.172 264.3)
XYZ	xyz(17.3247, 14.4095, 60.2488)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864CE #CEA238

analogous

#38AFCE #3864CE #5738CE

triadic

#3864CE #CE3864 #64CE38

tetradic

#3864CE #CE38AF #CEA238 #38CE57

square

#3864CE #CE38AF #CEA238 #38CE57

split-complementary

#3864CE #CE5738 #AFCE38

monochromatic

#1C3470 #284BA1 #3864CE #698ADA #9AB1E6

Accessibility & contrast

On white

5.41

#3864CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3864CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864CE

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864CE	#FFFFFF	#000000	##FFFFFF
##3864CE	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F71D2

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3864ce;
/* rgb */ color: rgb(56, 100, 206);
/* oklch */ color: oklch(53.2% 0.172 264.3);

Tailwind

colors: {
  custom: {
    50: '#828fde',
    500: '#3864ce',
    950: '#000000',
  },
}

SCSS

$custom: #3864ce;
$custom-light: #828fde;
$custom-dark: #000000;

JSON

{
  "hex": "#3864ce",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 206
  },
  "hsl": {
    "h": 222.4,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53179,
    "c": 0.17151,
    "h": 264.3
  },
  "luminance": 0.14411
}

Semantic roles & 50–950 ramp

primary

#3864CE

secondary

#D2BF90

accent

#B544E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864CE

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

Preview Lab → · Contrast checker → · Palette generator →