#3F44C6#3F44C6

#3F44C6 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.9% C 0.198 H 274.1°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#3F44C6
RGBrgb(63, 68, 198)
HSLhsl(238, 54%, 51%)
HSVhsv(238, 68%, 78%)
CMYKcmyk(68.2%, 65.7%, 0%, 22.4%)
CIE-LABlab(36.49, 39.71, -68.24)
CIE-LCHlch(36.49, 78.95, 300.19°)
OKLaboklab(46.88% 0.0141 -0.197)
OKLCHoklch(46.88% 0.198 274.1)
XYZxyz(14.3067, 9.2669, 54.4499)
Luminance0.0927 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F44C6 #C6C13F
analogous
#3F87C6 #3F44C6 #7D3FC6
triadic
#3F44C6 #C63F44 #44C63F
tetradic
#3F44C6 #C63F87 #C6C13F #3FC67D
square
#3F44C6 #C63F87 #C6C13F #3FC67D
split-complementary
#3F44C6 #C67D3F #87C63F
monochromatic
#20236B #2E329A #3F44C6 #6E72D4 #9DA0E2

Accessibility & contrast

On white

7.36
#3F44C6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#3F44C6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44C6
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F44C6#FFFFFF#000000##FFFFFF
##3F44C61.007.362.857.36
#FFFFFF7.361.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CCA
Deuteranopia (green-blind)
#0050C4
Tritanopia (blue-blind)
#00667F
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3f44c6;
/* rgb */ color: rgb(63, 68, 198);
/* oklch */ color: oklch(46.9% 0.198 274.1);
Tailwind
colors: {
  custom: {
    50: '#8578d8',
    500: '#3f44c6',
    950: '#000000',
  },
}
SCSS
$custom: #3f44c6;
$custom-light: #8578d8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f44c6",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 198
  },
  "hsl": {
    "h": 237.778,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46881,
    "c": 0.19755,
    "h": 274.1
  },
  "luminance": 0.09268
}

Semantic roles & 50–950 ramp

primary
#3F44C6
secondary
#CECC93
accent
#D84ADE
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3F44C6

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

Preview Lab → · Contrast checker → · Palette generator →

#3F44C6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva