#3764BF#3764BF

#3764BF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.151 H 262.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#3764BF
RGBrgb(55, 100, 191)
HSLhsl(220, 55%, 48%)
HSVhsv(220, 71%, 75%)
CMYKcmyk(71.2%, 47.6%, 0%, 25.1%)
CIE-LABlab(43.78, 15.69, -52.36)
CIE-LCHlch(43.78, 54.66, 286.69°)
OKLaboklab(52.06% -0.0196 -0.1501)
OKLCHoklch(52.06% 0.151 262.6)
XYZxyz(15.5333, 13.6865, 51.1032)
Luminance0.1369 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3764BF #BF9237
analogous
#37A8BF #3764BF #4E37BF
triadic
#3764BF #BF3764 #64BF37
tetradic
#3764BF #BF37A8 #BF9237 #37BF4E
square
#3764BF #BF37A8 #BF9237 #37BF4E
split-complementary
#3764BF #BF4E37 #A8BF37
monochromatic
#1C3260 #294B8F #3764BF #6287D2 #91ABDF

Accessibility & contrast

On white

5.62
#3764BF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#3764BF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764BF
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3764BF#FFFFFF#000000##FFFFFF
##3764BF1.005.623.745.62
#FFFFFF5.621.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#336EC2
Deuteranopia (green-blind)
#0F62BD
Tritanopia (blue-blind)
#007988
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #3764bf;
/* rgb */ color: rgb(55, 100, 191);
/* oklch */ color: oklch(52.1% 0.151 262.6);
Tailwind
colors: {
  custom: {
    50: '#7e8fd3',
    500: '#3764bf',
    950: '#000000',
  },
}
SCSS
$custom: #3764bf;
$custom-light: #7e8fd3;
$custom-dark: #000000;
JSON
{
  "hex": "#3764bf",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 191
  },
  "hsl": {
    "h": 220.147,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52061,
    "c": 0.15142,
    "h": 262.6
  },
  "luminance": 0.13688
}

Semantic roles & 50–950 ramp

primary
#3764BF
secondary
#CAB488
accent
#AD49DF
background
#F8F8FD
surface
#EFF0FA
border
#CACBD3
text
#0B0C14
muted
#7C7D83

Preview Lab

Preview with #3764BF

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

Preview Lab → · Contrast checker → · Palette generator →

#3764BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva