#3738D6#3738D6

#3738D6 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.232 H 272.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#3738D6
RGBrgb(55, 56, 214)
HSLhsl(240, 66%, 53%)
HSVhsv(240, 74%, 84%)
CMYKcmyk(74.3%, 73.8%, 0%, 16.1%)
CIE-LABlab(34.99, 51.15, -80.01)
CIE-LCHlch(34.99, 94.96, 302.59°)
OKLaboklab(46.13% 0.0096 -0.2316)
OKLCHoklch(46.13% 0.232 272.4)
XYZxyz(15.1232, 8.4940, 64.4478)
Luminance0.0850 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3738D6 #D6D537
analogous
#3787D6 #3738D6 #8637D6
triadic
#3738D6 #D63738 #38D637
tetradic
#3738D6 #D63787 #D6D537 #37D686
square
#3738D6 #D63787 #D6D537 #37D686
split-complementary
#3738D6 #D68637 #87D637
monochromatic
#191A7A #2324AC #3738D6 #6A6BE0 #9D9DEB

Accessibility & contrast

On white

7.78
#3738D6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#3738D6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3738D6
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3738D6#FFFFFF#000000##FFFFFF
##3738D61.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ADB
Deuteranopia (green-blind)
#004AD3
Tritanopia (blue-blind)
#006684
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3738d6;
/* rgb */ color: rgb(55, 56, 214);
/* oklch */ color: oklch(46.1% 0.232 272.4);
Tailwind
colors: {
  custom: {
    50: '#8771e4',
    500: '#3738d6',
    950: '#000000',
  },
}
SCSS
$custom: #3738d6;
$custom-light: #8771e4;
$custom-dark: #000000;
JSON
{
  "hex": "#3738d6",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 214
  },
  "hsl": {
    "h": 239.623,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46132,
    "c": 0.23176,
    "h": 272.4
  },
  "luminance": 0.08496
}

Semantic roles & 50–950 ramp

primary
#3738D6
secondary
#D7D692
accent
#E83FE9
background
#F9F6FE
surface
#F1ECFC
border
#CBC7D5
text
#0D0816
muted
#7E7B84

Preview Lab

Preview with #3738D6

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

Preview Lab → · Contrast checker → · Palette generator →

#3738D6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva