#3668CA#3668CA

#3668CA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.6% C 0.162 H 262.1°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3668CA
RGBrgb(54, 104, 202)
HSLhsl(220, 58%, 50%)
HSVhsv(220, 73%, 79%)
CMYKcmyk(73.3%, 48.5%, 0%, 20.8%)
CIE-LABlab(45.56, 17.07, -55.84)
CIE-LCHlch(45.56, 58.39, 287.00°)
OKLaboklab(53.64% -0.0222 -0.1603)
OKLCHoklch(53.64% 0.162 262.1)
XYZxyz(17.1285, 14.9473, 57.8481)
Luminance0.1495 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3668CA #CA9836
analogous
#36B2CA #3668CA #4E36CA
triadic
#3668CA #CA3668 #68CA36
tetradic
#3668CA #CA36B2 #CA9836 #36CA4E
square
#3668CA #CA36B2 #CA9836 #36CA4E
split-complementary
#3668CA #CA4E36 #B2CA36
monochromatic
#1C366A #294F9A #3668CA #668CD7 #97B1E4

Accessibility & contrast

On white

5.26
#3668CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.99
#3668CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668CA
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3668CA#FFFFFF#000000##FFFFFF
##3668CA1.005.263.995.26
#FFFFFF5.261.0021.001.00
#0000003.9921.001.0021.00
##FFFFFF5.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3173CE
Deuteranopia (green-blind)
#0065C8
Tritanopia (blue-blind)
#007F8F
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3668ca;
/* rgb */ color: rgb(54, 104, 202);
/* oklch */ color: oklch(53.6% 0.162 262.1);
Tailwind
colors: {
  custom: {
    50: '#8092db',
    500: '#3668ca',
    950: '#000000',
  },
}
SCSS
$custom: #3668ca;
$custom-light: #8092db;
$custom-dark: #000000;
JSON
{
  "hex": "#3668ca",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 202
  },
  "hsl": {
    "h": 219.73,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.53643,
    "c": 0.16188,
    "h": 262.1
  },
  "luminance": 0.14949
}

Semantic roles & 50–950 ramp

primary
#3668CA
secondary
#CFB98D
accent
#AD46E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3668CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3668CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva