#3864C7#3864C7

#3864C7 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.162 H 263.7°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3864C7
RGB	rgb(56, 100, 199)
HSL	hsl(222, 56%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(71.9%, 49.7%, 0%, 22%)
CIE-LAB	lab(44.34, 18.79, -56.08)
CIE-LCH	lch(44.34, 59.14, 288.52°)
OKLab	oklab(52.67% -0.0177 -0.1611)
OKLCH	oklch(52.67% 0.162 263.7)
XYZ	xyz(16.4932, 14.0769, 55.8696)
Luminance	0.1408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864C7 #C79B38

analogous

#38ACC7 #3864C7 #5338C7

triadic

#3864C7 #C73864 #64C738

tetradic

#3864C7 #C738AC #C79B38 #38C753

square

#3864C7 #C738AC #C79B38 #38C753

split-complementary

#3864C7 #C75338 #ACC738

monochromatic

#1D3467 #2B4C97 #3864C7 #6889D4 #98AEE2

Accessibility & contrast

On white

5.50

#3864C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3864C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864C7

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864C7	#FFFFFF	#000000	##FFFFFF
##3864C7	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A70CB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3864c7;
/* rgb */ color: rgb(56, 100, 199);
/* oklch */ color: oklch(52.7% 0.162 263.7);

Tailwind

colors: {
  custom: {
    50: '#808fd9',
    500: '#3864c7',
    950: '#000000',
  },
}

SCSS

$custom: #3864c7;
$custom-light: #808fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3864c7",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 199
  },
  "hsl": {
    "h": 221.538,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.5267,
    "c": 0.16204,
    "h": 263.7
  },
  "luminance": 0.14079
}

Semantic roles & 50–950 ramp

primary

#3864C7

secondary

#CDBA8D

accent

#B148DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864C7

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

Preview Lab → · Contrast checker → · Palette generator →