#3668AE#3668AE

#3668AE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.8% C 0.124 H 257.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#3668AE
RGBrgb(54, 104, 174)
HSLhsl(215, 53%, 45%)
HSVhsv(215, 69%, 68%)
CMYKcmyk(69%, 40.2%, 0%, 31.8%)
CIE-LABlab(43.86, 6.74, -42.32)
CIE-LCHlch(43.86, 42.86, 279.04°)
OKLaboklab(51.78% -0.0273 -0.1206)
OKLCHoklch(51.78% 0.124 257.2)
XYZxyz(14.1088, 13.7394, 41.9446)
Luminance0.1374 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3668AE #AE7C36
analogous
#36A4AE #3668AE #4036AE
triadic
#3668AE #AE3668 #68AE36
tetradic
#3668AE #AE36A4 #AE7C36 #36AE40
square
#3668AE #AE36A4 #AE7C36 #36AE40
split-complementary
#3668AE #AE4036 #A4AE36
monochromatic
#193051 #284C7F #3668AE #5687CB #85A8D9

Accessibility & contrast

On white

5.60
#3668AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#3668AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668AE
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3668AE#FFFFFF#000000##FFFFFF
##3668AE1.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#486EB1
Deuteranopia (green-blind)
#3563AD
Tritanopia (blue-blind)
#007882
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #3668ae;
/* rgb */ color: rgb(54, 104, 174);
/* oklch */ color: oklch(51.8% 0.124 257.2);
Tailwind
colors: {
  custom: {
    50: '#7b92c6',
    500: '#3668ae',
    950: '#000000',
  },
}
SCSS
$custom: #3668ae;
$custom-light: #7b92c6;
$custom-dark: #000000;
JSON
{
  "hex": "#3668ae",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 174
  },
  "hsl": {
    "h": 215,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51778,
    "c": 0.12367,
    "h": 257.2
  },
  "luminance": 0.13741
}

Semantic roles & 50–950 ramp

primary
#3668AE
secondary
#C3A67D
accent
#A04CDC
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0A0D13
muted
#7C7D82

Preview Lab

Preview with #3668AE

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

Preview Lab → · Contrast checker → · Palette generator →

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