#3864C8#3864C8

#3864C8 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.163 H 263.8°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3864C8
RGB	rgb(56, 100, 200)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(72%, 50%, 0%, 21.6%)
CIE-LAB	lab(44.41, 19.15, -56.55)
CIE-LCH	lch(44.41, 59.70, 288.71°)
OKLab	oklab(52.74% -0.0176 -0.1624)
OKLCH	oklch(52.74% 0.163 263.8)
XYZ	xyz(16.6097, 14.1235, 56.4831)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864C8 #C89C38

analogous

#38ACC8 #3864C8 #5438C8

triadic

#3864C8 #C83864 #64C838

tetradic

#3864C8 #C838AC #C89C38 #38C854

square

#3864C8 #C838AC #C89C38 #38C854

split-complementary

#3864C8 #C85438 #ACC838

monochromatic

#1D3469 #2A4C99 #3864C8 #6889D5 #98AFE3

Accessibility & contrast

On white

5.49

#3864C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3864C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864C8

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864C8	#FFFFFF	#000000	##FFFFFF
##3864C8	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2970CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3864c8;
/* rgb */ color: rgb(56, 100, 200);
/* oklch */ color: oklch(52.7% 0.163 263.8);

Tailwind

colors: {
  custom: {
    50: '#818fd9',
    500: '#3864c8',
    950: '#000000',
  },
}

SCSS

$custom: #3864c8;
$custom-light: #818fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3864c8",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 200
  },
  "hsl": {
    "h": 221.667,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52742,
    "c": 0.1634,
    "h": 263.8
  },
  "luminance": 0.14125
}

Semantic roles & 50–950 ramp

primary

#3864C8

secondary

#CEBA8E

accent

#B148E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3864C8

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

Preview Lab → · Contrast checker → · Palette generator →