#3765C7#3765C7

#3765C7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.8% C 0.161 H 263.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#3765C7
RGBrgb(55, 101, 199)
HSLhsl(221, 57%, 50%)
HSVhsv(221, 72%, 78%)
CMYKcmyk(72.4%, 49.2%, 0%, 22%)
CIE-LABlab(44.58, 18.01, -55.70)
CIE-LCHlch(44.58, 58.54, 287.92°)
OKLaboklab(52.84% -0.0193 -0.16)
OKLCHoklch(52.84% 0.161 263.1)
XYZxyz(16.5344, 14.2413, 55.8992)
Luminance0.1424 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3765C7 #C79937
analogous
#37ADC7 #3765C7 #5137C7
triadic
#3765C7 #C73765 #65C737
tetradic
#3765C7 #C737AD #C79937 #37C751
square
#3765C7 #C737AD #C79937 #37C751
split-complementary
#3765C7 #C75137 #ADC737
monochromatic
#1C3467 #2A4D97 #3765C7 #668AD5 #96AFE2

Accessibility & contrast

On white

5.46
#3765C7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.85
#3765C7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765C7
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3765C7#FFFFFF#000000##FFFFFF
##3765C71.005.463.855.46
#FFFFFF5.461.0021.001.00
#0000003.8521.001.0021.00
##FFFFFF5.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D70CB
Deuteranopia (green-blind)
#0063C5
Tritanopia (blue-blind)
#007C8C
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3765c7;
/* rgb */ color: rgb(55, 101, 199);
/* oklch */ color: oklch(52.8% 0.161 263.1);
Tailwind
colors: {
  custom: {
    50: '#8090d9',
    500: '#3765c7',
    950: '#000000',
  },
}
SCSS
$custom: #3765c7;
$custom-light: #8090d9;
$custom-dark: #000000;
JSON
{
  "hex": "#3765c7",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 199
  },
  "hsl": {
    "h": 220.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52838,
    "c": 0.16113,
    "h": 263.1
  },
  "luminance": 0.14243
}

Semantic roles & 50–950 ramp

primary
#3765C7
secondary
#CDB98C
accent
#AF48E0
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3765C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3765C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva