#3768BE#3768BE

#3768BE is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.9% C 0.145 H 260.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#3768BE
RGBrgb(55, 104, 190)
HSLhsl(218, 55%, 48%)
HSVhsv(218, 71%, 75%)
CMYKcmyk(71.1%, 45.3%, 0%, 25.5%)
CIE-LABlab(44.84, 12.77, -50.07)
CIE-LCHlch(44.84, 51.68, 284.31°)
OKLaboklab(52.86% -0.0233 -0.1434)
OKLCHoklch(52.86% 0.145 260.8)
XYZxyz(15.8168, 14.4289, 50.6567)
Luminance0.1443 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3768BE #BE8D37
analogous
#37ABBE #3768BE #4937BE
triadic
#3768BE #BE3768 #68BE37
tetradic
#3768BE #BE37AB #BE8D37 #37BE49
square
#3768BE #BE37AB #BE8D37 #37BE49
split-complementary
#3768BE #BE4937 #ABBE37
monochromatic
#1C345F #294E8F #3768BE #618AD1 #90ADDF

Accessibility & contrast

On white

5.40
#3768BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#3768BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768BE
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3768BE#FFFFFF#000000##FFFFFF
##3768BE1.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D71C1
Deuteranopia (green-blind)
#2264BC
Tritanopia (blue-blind)
#007C8A
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #3768be;
/* rgb */ color: rgb(55, 104, 190);
/* oklch */ color: oklch(52.9% 0.145 260.8);
Tailwind
colors: {
  custom: {
    50: '#7e92d2',
    500: '#3768be',
    950: '#000000',
  },
}
SCSS
$custom: #3768be;
$custom-light: #7e92d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3768be",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 190
  },
  "hsl": {
    "h": 218.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52857,
    "c": 0.14525,
    "h": 260.8
  },
  "luminance": 0.14431
}

Semantic roles & 50–950 ramp

primary
#3768BE
secondary
#CAB287
accent
#A849DE
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0C14
muted
#7C7D82

Preview Lab

Preview with #3768BE

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

Preview Lab → · Contrast checker → · Palette generator →

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