#3768D7#3768D7

#3768D7 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.6% C 0.179 H 263.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#3768D7
RGBrgb(55, 104, 215)
HSLhsl(222, 67%, 53%)
HSVhsv(222, 74%, 84%)
CMYKcmyk(74.4%, 51.6%, 0%, 15.7%)
CIE-LABlab(46.47, 22.00, -61.81)
CIE-LCHlch(46.47, 65.61, 289.59°)
OKLaboklab(54.62% -0.0199 -0.1779)
OKLCHoklch(54.62% 0.179 263.6)
XYZxyz(18.7872, 15.6171, 66.3011)
Luminance0.1562 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3768D7 #D7A637
analogous
#37B8D7 #3768D7 #5637D7
triadic
#3768D7 #D73768 #68D737
tetradic
#3768D7 #D737B8 #D7A637 #37D756
square
#3768D7 #D737B8 #D7A637 #37D756
split-complementary
#3768D7 #D75637 #B8D737
monochromatic
#19377B #234DAE #3768D7 #6A8FE1 #9DB5EB

Accessibility & contrast

On white

5.09
#3768D7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#3768D7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768D7
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3768D7#FFFFFF#000000##FFFFFF
##3768D71.005.094.125.09
#FFFFFF5.091.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D76DB
Deuteranopia (green-blind)
#0067D5
Tritanopia (blue-blind)
#008395
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #3768d7;
/* rgb */ color: rgb(55, 104, 215);
/* oklch */ color: oklch(54.6% 0.179 263.6);
Tailwind
colors: {
  custom: {
    50: '#8392e4',
    500: '#3768d7',
    950: '#000000',
  },
}
SCSS
$custom: #3768d7;
$custom-light: #8392e4;
$custom-dark: #000000;
JSON
{
  "hex": "#3768d7",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 215
  },
  "hsl": {
    "h": 221.625,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54621,
    "c": 0.17902,
    "h": 263.6
  },
  "luminance": 0.15619
}

Semantic roles & 50–950 ramp

primary
#3768D7
secondary
#D7C292
accent
#B53EEA
background
#F8F8FE
surface
#F0F0FC
border
#CBCBD5
text
#0C0C16
muted
#7D7D84

Preview Lab

Preview with #3768D7

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

Preview Lab → · Contrast checker → · Palette generator →

#3768D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva