#3768C0#3768C0

#3768C0 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.148 H 261.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#3768C0
RGBrgb(55, 104, 192)
HSLhsl(219, 55%, 48%)
HSVhsv(219, 71%, 75%)
CMYKcmyk(71.4%, 45.8%, 0%, 24.7%)
CIE-LABlab(44.97, 13.51, -51.03)
CIE-LCHlch(44.97, 52.79, 284.83°)
OKLaboklab(52.99% -0.023 -0.1462)
OKLCHoklch(52.99% 0.148 261.1)
XYZxyz(16.0369, 14.5169, 51.8158)
Luminance0.1452 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3768C0 #C08F37
analogous
#37ACC0 #3768C0 #4A37C0
triadic
#3768C0 #C03768 #68C037
tetradic
#3768C0 #C037AC #C08F37 #37C04A
square
#3768C0 #C037AC #C08F37 #37C04A
split-complementary
#3768C0 #C04A37 #ACC037
monochromatic
#1C3461 #294E90 #3768C0 #628AD2 #92AEE0

Accessibility & contrast

On white

5.38
#3768C0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.90
#3768C0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768C0
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3768C0#FFFFFF#000000##FFFFFF
##3768C01.005.383.905.38
#FFFFFF5.381.0021.001.00
#0000003.9021.001.0021.00
##FFFFFF5.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B71C3
Deuteranopia (green-blind)
#1E65BE
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #3768c0;
/* rgb */ color: rgb(55, 104, 192);
/* oklch */ color: oklch(53.0% 0.148 261.1);
Tailwind
colors: {
  custom: {
    50: '#7f92d3',
    500: '#3768c0',
    950: '#000000',
  },
}
SCSS
$custom: #3768c0;
$custom-light: #7f92d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3768c0",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 192
  },
  "hsl": {
    "h": 218.54,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52992,
    "c": 0.14798,
    "h": 261.1
  },
  "luminance": 0.14519
}

Semantic roles & 50–950 ramp

primary
#3768C0
secondary
#CBB388
accent
#A949DF
background
#F8F8FD
surface
#EFF0FA
border
#CACBD3
text
#0B0C14
muted
#7C7D83

Preview Lab

Preview with #3768C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3768C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva