#3864CA#3864CA

#3864CA is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.166 H 264.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3864CA
RGB	rgb(56, 100, 202)
HSL	hsl(222, 58%, 51%)
HSV	hsv(222, 72%, 79%)
CMYK	cmyk(72.3%, 50.5%, 0%, 20.8%)
CIE-LAB	lab(44.54, 19.89, -57.48)
CIE-LCH	lch(44.54, 60.83, 289.09°)
OKLab	oklab(52.89% -0.0173 -0.1652)
OKLCH	oklch(52.89% 0.166 264)
XYZ	xyz(16.8450, 14.2176, 57.7222)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864CA #CA9E38

analogous

#38ADCA #3864CA #5538CA

triadic

#3864CA #CA3864 #64CA38

tetradic

#3864CA #CA38AD #CA9E38 #38CA55

square

#3864CA #CA38AD #CA9E38 #38CA55

split-complementary

#3864CA #CA5538 #ADCA38

monochromatic

#1D346B #294C9B #3864CA #688AD7 #99AFE4

Accessibility & contrast

On white

5.46

#3864CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3864CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864CA

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864CA	#FFFFFF	#000000	##FFFFFF
##3864CA	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2670CE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3864ca;
/* rgb */ color: rgb(56, 100, 202);
/* oklch */ color: oklch(52.9% 0.166 264.0);

Tailwind

colors: {
  custom: {
    50: '#818fdb',
    500: '#3864ca',
    950: '#000000',
  },
}

SCSS

$custom: #3864ca;
$custom-light: #818fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3864ca",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 202
  },
  "hsl": {
    "h": 221.918,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52887,
    "c": 0.16612,
    "h": 264
  },
  "luminance": 0.14219
}

Semantic roles & 50–950 ramp

primary

#3864CA

secondary

#CFBC8E

accent

#B347E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864CA

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

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