#3F3CD1#3F3CD1

#3F3CD1 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.7% C 0.220 H 274.6°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#3F3CD1
RGBrgb(63, 60, 209)
HSLhsl(241, 62%, 53%)
HSVhsv(241, 71%, 82%)
CMYKcmyk(69.9%, 71.3%, 0%, 18%)
CIE-LABlab(35.77, 48.06, -75.81)
CIE-LCHlch(35.77, 89.77, 302.37°)
OKLaboklab(46.67% 0.0177 -0.2192)
OKLCHoklch(46.67% 0.22 274.6)
XYZxyz(15.1706, 8.8905, 61.2258)
Luminance0.0889 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3CD1 #CED13C
analogous
#3C83D1 #3F3CD1 #893CD1
triadic
#3F3CD1 #D13F3C #3CD13F
tetradic
#3F3CD1 #D13C83 #CED13C #3CD189
square
#3F3CD1 #D13C83 #CED13C #3CD189
split-complementary
#3F3CD1 #D1893C #83D13C
monochromatic
#1E1C77 #2A28A8 #3F3CD1 #706EDD #A19FE8

Accessibility & contrast

On white

7.56
#3F3CD1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#3F3CD1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3CD1
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3CD1#FFFFFF#000000##FFFFFF
##3F3CD11.007.562.787.56
#FFFFFF7.561.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BD5
Deuteranopia (green-blind)
#004DCE
Tritanopia (blue-blind)
#006683
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #3f3cd1;
/* rgb */ color: rgb(63, 60, 209);
/* oklch */ color: oklch(46.7% 0.220 274.6);
Tailwind
colors: {
  custom: {
    50: '#8873e0',
    500: '#3f3cd1',
    950: '#000000',
  },
}
SCSS
$custom: #3f3cd1;
$custom-light: #8873e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3cd1",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 209
  },
  "hsl": {
    "h": 241.208,
    "s": 61.826,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46668,
    "c": 0.21991,
    "h": 274.6
  },
  "luminance": 0.08892
}

Semantic roles & 50–950 ramp

primary
#3F3CD1
secondary
#D3D594
accent
#E543E2
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #3F3CD1

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3CD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva