#3763D3#3763D3

#3763D3 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.3% C 0.180 H 264.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#3763D3
RGBrgb(55, 99, 211)
HSLhsl(223, 64%, 52%)
HSVhsv(223, 74%, 83%)
CMYKcmyk(73.9%, 53.1%, 0%, 17.3%)
CIE-LABlab(44.85, 23.72, -62.15)
CIE-LCHlch(44.85, 66.52, 290.89°)
OKLaboklab(53.31% -0.0164 -0.179)
OKLCHoklch(53.31% 0.18 264.8)
XYZxyz(17.7911, 14.4371, 63.4644)
Luminance0.1444 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3763D3 #D3A737
analogous
#37B1D3 #3763D3 #5937D3
triadic
#3763D3 #D33763 #63D337
tetradic
#3763D3 #D337B1 #D3A737 #37D359
square
#3763D3 #D337B1 #D3A737 #37D359
split-complementary
#3763D3 #D35937 #B1D337
monochromatic
#1A3476 #254AA8 #3763D3 #698ADE #9BB1E9

Accessibility & contrast

On white

5.40
#3763D3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#3763D3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763D3
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3763D3#FFFFFF#000000##FFFFFF
##3763D31.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C72D7
Deuteranopia (green-blind)
#0063D1
Tritanopia (blue-blind)
#007E91
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #3763d3;
/* rgb */ color: rgb(55, 99, 211);
/* oklch */ color: oklch(53.3% 0.180 264.8);
Tailwind
colors: {
  custom: {
    50: '#838ee1',
    500: '#3763d3',
    950: '#000000',
  },
}
SCSS
$custom: #3763d3;
$custom-light: #838ee1;
$custom-dark: #000000;
JSON
{
  "hex": "#3763d3",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 223.077,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53308,
    "c": 0.17972,
    "h": 264.8
  },
  "luminance": 0.14439
}

Semantic roles & 50–950 ramp

primary
#3763D3
secondary
#D5C291
accent
#B841E7
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3763D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3763D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva