#3864B6#3864B6

#3864B6 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.139 H 261.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#3864B6
RGBrgb(56, 100, 182)
HSLhsl(219, 53%, 47%)
HSVhsv(219, 69%, 71%)
CMYKcmyk(69.2%, 45.1%, 0%, 28.6%)
CIE-LABlab(43.26, 12.53, -47.96)
CIE-LCHlch(43.26, 49.57, 284.64°)
OKLaboklab(51.49% -0.0202 -0.1372)
OKLCHoklch(51.49% 0.139 261.6)
XYZxyz(14.6286, 13.3310, 46.0491)
Luminance0.1333 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3864B6 #B68A38
analogous
#38A3B6 #3864B6 #4B38B6
triadic
#3864B6 #B63864 #64B638
tetradic
#3864B6 #B638A3 #B68A38 #38B64B
square
#3864B6 #B638A3 #B68A38 #38B64B
split-complementary
#3864B6 #B64B38 #A3B638
monochromatic
#1B3158 #2A4A87 #3864B6 #5E85CD #8DA8DC

Accessibility & contrast

On white

5.73
#3864B6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.67
#3864B6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864B6
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3864B6#FFFFFF#000000##FFFFFF
##3864B61.005.733.675.73
#FFFFFF5.731.0021.001.00
#0000003.6721.001.0021.00
##FFFFFF5.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B6CB9
Deuteranopia (green-blind)
#2461B4
Tritanopia (blue-blind)
#007784
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #3864b6;
/* rgb */ color: rgb(56, 100, 182);
/* oklch */ color: oklch(51.5% 0.139 261.6);
Tailwind
colors: {
  custom: {
    50: '#7d8fcc',
    500: '#3864b6',
    950: '#000000',
  },
}
SCSS
$custom: #3864b6;
$custom-light: #7d8fcc;
$custom-dark: #000000;
JSON
{
  "hex": "#3864b6",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 182
  },
  "hsl": {
    "h": 219.048,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5149,
    "c": 0.13867,
    "h": 261.6
  },
  "luminance": 0.13332
}

Semantic roles & 50–950 ramp

primary
#3864B6
secondary
#C6AF84
accent
#AA4BDC
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0C13
muted
#7C7D82

Preview Lab

Preview with #3864B6

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

Preview Lab → · Contrast checker → · Palette generator →

#3864B6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva