#3765CA#3765CA

#3765CA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.165 H 263.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#3765CA
RGBrgb(55, 101, 202)
HSLhsl(221, 58%, 50%)
HSVhsv(221, 73%, 79%)
CMYKcmyk(72.8%, 50%, 0%, 20.8%)
CIE-LABlab(44.78, 19.12, -57.11)
CIE-LCHlch(44.78, 60.22, 288.51°)
OKLaboklab(53.05% -0.019 -0.1641)
OKLCHoklch(53.05% 0.165 263.4)
XYZxyz(16.8861, 14.3820, 57.7517)
Luminance0.1438 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3765CA #CA9C37
analogous
#37AFCA #3765CA #5237CA
triadic
#3765CA #CA3765 #65CA37
tetradic
#3765CA #CA37AF #CA9C37 #37CA52
square
#3765CA #CA37AF #CA9C37 #37CA52
split-complementary
#3765CA #CA5237 #AFCA37
monochromatic
#1C356A #294D9B #3765CA #678AD7 #98B0E4

Accessibility & contrast

On white

5.42
#3765CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#3765CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765CA
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3765CA#FFFFFF#000000##FFFFFF
##3765CA1.005.423.885.42
#FFFFFF5.421.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2971CE
Deuteranopia (green-blind)
#0064C8
Tritanopia (blue-blind)
#007D8E
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #3765ca;
/* rgb */ color: rgb(55, 101, 202);
/* oklch */ color: oklch(53.1% 0.165 263.4);
Tailwind
colors: {
  custom: {
    50: '#8190db',
    500: '#3765ca',
    950: '#000000',
  },
}
SCSS
$custom: #3765ca;
$custom-light: #8190db;
$custom-dark: #000000;
JSON
{
  "hex": "#3765ca",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 202
  },
  "hsl": {
    "h": 221.224,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53053,
    "c": 0.1652,
    "h": 263.4
  },
  "luminance": 0.14384
}

Semantic roles & 50–950 ramp

primary
#3765CA
secondary
#CFBB8E
accent
#B146E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3765CA

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

Preview Lab → · Contrast checker → · Palette generator →

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