#3864CC#3864CC

#3864CC is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.169 H 264.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3864CC
RGB	rgb(56, 100, 204)
HSL	hsl(222, 59%, 51%)
HSV	hsv(222, 73%, 80%)
CMYK	cmyk(72.5%, 51%, 0%, 20%)
CIE-LAB	lab(44.68, 20.63, -58.41)
CIE-LCH	lch(44.68, 61.95, 289.45°)
OKLab	oklab(53.03% -0.0171 -0.1679)
OKLCH	oklch(53.03% 0.169 264.2)
XYZ	xyz(17.0833, 14.3129, 58.9774)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864CC #CCA038

analogous

#38AECC #3864CC #5638CC

triadic

#3864CC #CC3864 #64CC38

tetradic

#3864CC #CC38AE #CCA038 #38CC56

square

#3864CC #CC38AE #CCA038 #38CC56

split-complementary

#3864CC #CC5638 #AECC38

monochromatic

#1C346E #294C9E #3864CC #698AD8 #99B0E5

Accessibility & contrast

On white

5.44

#3864CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3864CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864CC

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864CC	#FFFFFF	#000000	##FFFFFF
##3864CC	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2371D0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3864cc;
/* rgb */ color: rgb(56, 100, 204);
/* oklch */ color: oklch(53.0% 0.169 264.2);

Tailwind

colors: {
  custom: {
    50: '#828fdc',
    500: '#3864cc',
    950: '#000000',
  },
}

SCSS

$custom: #3864cc;
$custom-light: #828fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3864cc",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 222.162,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53033,
    "c": 0.16882,
    "h": 264.2
  },
  "luminance": 0.14315
}

Semantic roles & 50–950 ramp

primary

#3864CC

secondary

#D1BD8F

accent

#B445E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864CC

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

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