#3868CB#3868CB

#3868CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.163 H 262.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#3868CB
RGBrgb(56, 104, 203)
HSLhsl(220, 59%, 51%)
HSVhsv(220, 72%, 80%)
CMYKcmyk(72.4%, 48.8%, 0%, 20.4%)
CIE-LABlab(45.70, 17.70, -56.18)
CIE-LCHlch(45.70, 58.91, 287.49°)
OKLaboklab(53.79% -0.0206 -0.1613)
OKLCHoklch(53.79% 0.163 262.7)
XYZxyz(17.3569, 15.0513, 58.4788)
Luminance0.1505 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3868CB #CB9B38
analogous
#38B2CB #3868CB #5138CB
triadic
#3868CB #CB3868 #68CB38
tetradic
#3868CB #CB38B2 #CB9B38 #38CB51
square
#3868CB #CB38B2 #CB9B38 #38CB51
split-complementary
#3868CB #CB5138 #B2CB38
monochromatic
#1C366C #294F9D #3868CB #698DD8 #99B2E4

Accessibility & contrast

On white

5.24
#3868CB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#3868CB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3868CB
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3868CB#FFFFFF#000000##FFFFFF
##3868CB1.005.244.015.24
#FFFFFF5.241.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3073CF
Deuteranopia (green-blind)
#0066C9
Tritanopia (blue-blind)
#007F90
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3868cb;
/* rgb */ color: rgb(56, 104, 203);
/* oklch */ color: oklch(53.8% 0.163 262.7);
Tailwind
colors: {
  custom: {
    50: '#8192db',
    500: '#3868cb',
    950: '#000000',
  },
}
SCSS
$custom: #3868cb;
$custom-light: #8192db;
$custom-dark: #000000;
JSON
{
  "hex": "#3868cb",
  "rgb": {
    "r": 56,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 220.408,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53794,
    "c": 0.16262,
    "h": 262.7
  },
  "luminance": 0.15053
}

Semantic roles & 50–950 ramp

primary
#3868CB
secondary
#D0BB8F
accent
#AF46E2
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3868CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3868CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva