#3768CE#3768CE

#3768CE is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.0% C 0.167 H 262.8°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#3768CE
RGBrgb(55, 104, 206)
HSLhsl(221, 61%, 51%)
HSVhsv(221, 73%, 81%)
CMYKcmyk(73.3%, 49.5%, 0%, 19.2%)
CIE-LABlab(45.86, 18.68, -57.65)
CIE-LCHlch(45.86, 60.60, 287.95°)
OKLaboklab(53.97% -0.0209 -0.1657)
OKLCHoklch(53.97% 0.167 262.8)
XYZxyz(17.6625, 15.1672, 60.3773)
Luminance0.1517 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3768CE #CE9D37
analogous
#37B3CE #3768CE #5137CE
triadic
#3768CE #CE3768 #68CE37
tetradic
#3768CE #CE37B3 #CE9D37 #37CE51
square
#3768CE #CE37B3 #CE9D37 #37CE51
split-complementary
#3768CE #CE5137 #B3CE37
monochromatic
#1B376F #274FA0 #3768CE #688DDA #99B2E6

Accessibility & contrast

On white

5.21
#3768CE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#3768CE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768CE
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3768CE#FFFFFF#000000##FFFFFF
##3768CE1.005.214.035.21
#FFFFFF5.211.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C74D2
Deuteranopia (green-blind)
#0066CC
Tritanopia (blue-blind)
#008091
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #3768ce;
/* rgb */ color: rgb(55, 104, 206);
/* oklch */ color: oklch(54.0% 0.167 262.8);
Tailwind
colors: {
  custom: {
    50: '#8192de',
    500: '#3768ce',
    950: '#000000',
  },
}
SCSS
$custom: #3768ce;
$custom-light: #8192de;
$custom-dark: #000000;
JSON
{
  "hex": "#3768ce",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 206
  },
  "hsl": {
    "h": 220.53,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53967,
    "c": 0.16698,
    "h": 262.8
  },
  "luminance": 0.15169
}

Semantic roles & 50–950 ramp

primary
#3768CE
secondary
#D2BC8F
accent
#B044E4
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3768CE

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

Preview Lab → · Contrast checker → · Palette generator →

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