#3765D1#3765D1

#3765D1 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.175 H 264.0°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#3765D1
RGBrgb(55, 101, 209)
HSLhsl(222, 63%, 52%)
HSVhsv(222, 74%, 82%)
CMYKcmyk(73.7%, 51.7%, 0%, 18%)
CIE-LABlab(45.25, 21.70, -60.36)
CIE-LCHlch(45.25, 64.14, 289.78°)
OKLaboklab(53.57% -0.0182 -0.1737)
OKLCHoklch(53.57% 0.175 264)
XYZxyz(17.7338, 14.7211, 62.2161)
Luminance0.1472 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3765D1 #D1A337
analogous
#37B2D1 #3765D1 #5637D1
triadic
#3765D1 #D13765 #65D137
tetradic
#3765D1 #D137B2 #D1A337 #37D156
square
#3765D1 #D137B2 #D1A337 #37D156
split-complementary
#3765D1 #D15637 #B2D137
monochromatic
#1A3573 #264CA5 #3765D1 #698BDC #9BB2E8

Accessibility & contrast

On white

5.32
#3765D1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.94
#3765D1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765D1
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3765D1#FFFFFF#000000##FFFFFF
##3765D11.005.323.945.32
#FFFFFF5.321.0021.001.00
#0000003.9421.001.0021.00
##FFFFFF5.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D73D5
Deuteranopia (green-blind)
#0064CF
Tritanopia (blue-blind)
#007F91
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3765d1;
/* rgb */ color: rgb(55, 101, 209);
/* oklch */ color: oklch(53.6% 0.175 264.0);
Tailwind
colors: {
  custom: {
    50: '#8290e0',
    500: '#3765d1',
    950: '#000000',
  },
}
SCSS
$custom: #3765d1;
$custom-light: #8290e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3765d1",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 209
  },
  "hsl": {
    "h": 222.078,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53565,
    "c": 0.17463,
    "h": 264
  },
  "luminance": 0.14723
}

Semantic roles & 50–950 ramp

primary
#3765D1
secondary
#D4C090
accent
#B542E6
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3765D1

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

Preview Lab → · Contrast checker → · Palette generator →

#3765D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva