#3764C6#3764C6

#3764C6 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.6% C 0.161 H 263.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#3764C6
RGBrgb(55, 100, 198)
HSLhsl(221, 57%, 50%)
HSVhsv(221, 72%, 78%)
CMYKcmyk(72.2%, 49.5%, 0%, 22.4%)
CIE-LABlab(44.24, 18.28, -55.67)
CIE-LCHlch(44.24, 58.60, 288.18°)
OKLaboklab(52.56% -0.0186 -0.1599)
OKLCHoklch(52.56% 0.161 263.4)
XYZxyz(16.3221, 14.0020, 55.2576)
Luminance0.1400 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3764C6 #C69937
analogous
#37ACC6 #3764C6 #5237C6
triadic
#3764C6 #C63764 #64C637
tetradic
#3764C6 #C637AC #C69937 #37C652
square
#3764C6 #C637AC #C69937 #37C652
split-complementary
#3764C6 #C65237 #ACC637
monochromatic
#1C3466 #2A4C96 #3764C6 #6689D4 #96AEE2

Accessibility & contrast

On white

5.53
#3764C6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#3764C6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C6
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3764C6#FFFFFF#000000##FFFFFF
##3764C61.005.533.805.53
#FFFFFF5.531.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B70CA
Deuteranopia (green-blind)
#0062C4
Tritanopia (blue-blind)
#007B8B
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3764c6;
/* rgb */ color: rgb(55, 100, 198);
/* oklch */ color: oklch(52.6% 0.161 263.4);
Tailwind
colors: {
  custom: {
    50: '#808fd8',
    500: '#3764c6',
    950: '#000000',
  },
}
SCSS
$custom: #3764c6;
$custom-light: #808fd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3764c6",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 198
  },
  "hsl": {
    "h": 221.119,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52556,
    "c": 0.16099,
    "h": 263.4
  },
  "luminance": 0.14004
}

Semantic roles & 50–950 ramp

primary
#3764C6
secondary
#CDB98C
accent
#B048E0
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83

Preview Lab

Preview with #3764C6

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

Preview Lab → · Contrast checker → · Palette generator →

#3764C6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva