#3667CC#3667CC

#3667CC is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.166 H 262.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#3667CC
RGBrgb(54, 103, 204)
HSLhsl(220, 60%, 51%)
HSVhsv(220, 74%, 80%)
CMYKcmyk(73.5%, 49.5%, 0%, 20%)
CIE-LABlab(45.42, 18.45, -57.22)
CIE-LCHlch(45.42, 60.12, 287.87°)
OKLaboklab(53.57% -0.0211 -0.1644)
OKLCHoklch(53.57% 0.166 262.7)
XYZxyz(17.2668, 14.8425, 59.0699)
Luminance0.1484 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3667CC #CC9B36
analogous
#36B2CC #3667CC #5036CC
triadic
#3667CC #CC3667 #67CC36
tetradic
#3667CC #CC36B2 #CC9B36 #36CC50
square
#3667CC #CC36B2 #CC9B36 #36CC50
split-complementary
#3667CC #CC5036 #B2CC36
monochromatic
#1B366C #284E9D #3667CC #678CD8 #98B1E5

Accessibility & contrast

On white

5.29
#3667CC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.97
#3667CC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667CC
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3667CC#FFFFFF#000000##FFFFFF
##3667CC1.005.293.975.29
#FFFFFF5.291.0021.001.00
#0000003.9721.001.0021.00
##FFFFFF5.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C73D0
Deuteranopia (green-blind)
#0065CA
Tritanopia (blue-blind)
#007F90
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3667cc;
/* rgb */ color: rgb(54, 103, 204);
/* oklch */ color: oklch(53.6% 0.166 262.7);
Tailwind
colors: {
  custom: {
    50: '#8191dc',
    500: '#3667cc',
    950: '#000000',
  },
}
SCSS
$custom: #3667cc;
$custom-light: #8191dc;
$custom-dark: #000000;
JSON
{
  "hex": "#3667cc",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 204
  },
  "hsl": {
    "h": 220.4,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.53574,
    "c": 0.16578,
    "h": 262.7
  },
  "luminance": 0.14844
}

Semantic roles & 50–950 ramp

primary
#3667CC
secondary
#D0BA8E
accent
#AF45E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3667CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3667CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva