#3F3FC8#3F3FC8

#3F3FC8 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.206 H 274.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#3F3FC8
RGBrgb(63, 63, 200)
HSLhsl(240, 55%, 52%)
HSVhsv(240, 69%, 78%)
CMYKcmyk(68.5%, 68.5%, 0%, 21.6%)
CIE-LABlab(35.56, 43.38, -70.94)
CIE-LCHlch(35.56, 83.15, 301.45°)
OKLaboklab(46.26% 0.0172 -0.205)
OKLCHoklch(46.26% 0.206 274.8)
XYZxyz(14.2493, 8.7806, 55.5763)
Luminance0.0878 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3FC8 #C8C83F
analogous
#3F84C8 #3F3FC8 #843FC8
triadic
#3F3FC8 #C83F3F #3FC83F
tetradic
#3F3FC8 #C83F84 #C8C83F #3FC884
square
#3F3FC8 #C83F84 #C8C83F #3FC884
split-complementary
#3F3FC8 #C8843F #84C83F
monochromatic
#1F1F6D #2D2D9D #3F3FC8 #6F6FD6 #9E9EE3

Accessibility & contrast

On white

7.62
#3F3FC8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#3F3FC8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FC8
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3FC8#FFFFFF#000000##FFFFFF
##3F3FC81.007.622.767.62
#FFFFFF7.621.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ACC
Deuteranopia (green-blind)
#004DC5
Tritanopia (blue-blind)
#00647E
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #3f3fc8;
/* rgb */ color: rgb(63, 63, 200);
/* oklch */ color: oklch(46.3% 0.206 274.8);
Tailwind
colors: {
  custom: {
    50: '#8675da',
    500: '#3f3fc8',
    950: '#000000',
  },
}
SCSS
$custom: #3f3fc8;
$custom-light: #8675da;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3fc8",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 200
  },
  "hsl": {
    "h": 240,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46259,
    "c": 0.20568,
    "h": 274.8
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary
#3F3FC8
secondary
#D0D093
accent
#DF49DF
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #3F3FC8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3FC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva