#3864CD#3864CD

#3864CD is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.170 H 264.3°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3864CD
RGB	rgb(56, 100, 205)
HSL	hsl(222, 60%, 51%)
HSV	hsv(222, 73%, 80%)
CMYK	cmyk(72.7%, 51.2%, 0%, 19.6%)
CIE-LAB	lab(44.75, 21.00, -58.88)
CIE-LCH	lch(44.75, 62.51, 289.63°)
OKLab	oklab(53.11% -0.017 -0.1693)
OKLCH	oklch(53.11% 0.17 264.3)
XYZ	xyz(17.2036, 14.3610, 59.6111)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864CD #CDA138

analogous

#38AECD #3864CD #5638CD

triadic

#3864CD #CD3864 #64CD38

tetradic

#3864CD #CD38AE #CDA138 #38CD56

square

#3864CD #CD38AE #CDA138 #38CD56

split-complementary

#3864CD #CD5638 #AECD38

monochromatic

#1C346F #284BA0 #3864CD #698AD9 #9AB0E6

Accessibility & contrast

On white

5.42

#3864CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3864CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864CD

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864CD	#FFFFFF	#000000	##FFFFFF
##3864CD	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2171D1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3864cd;
/* rgb */ color: rgb(56, 100, 205);
/* oklch */ color: oklch(53.1% 0.170 264.3);

Tailwind

colors: {
  custom: {
    50: '#828fdd',
    500: '#3864cd',
    950: '#000000',
  },
}

SCSS

$custom: #3864cd;
$custom-light: #828fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3864cd",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 205
  },
  "hsl": {
    "h": 222.282,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53106,
    "c": 0.17017,
    "h": 264.3
  },
  "luminance": 0.14363
}

Semantic roles & 50–950 ramp

primary

#3864CD

secondary

#D1BE8F

accent

#B445E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864CD

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

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