#3F3BDF#3F3BDF

#3F3BDF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.9% C 0.238 H 273.8°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#3F3BDF
RGBrgb(63, 59, 223)
HSLhsl(241, 72%, 55%)
HSVhsv(241, 74%, 87%)
CMYKcmyk(71.7%, 73.5%, 0%, 12.5%)
CIE-LABlab(36.95, 53.09, -81.93)
CIE-LCHlch(36.95, 97.63, 302.94°)
OKLaboklab(47.92% 0.0158 -0.237)
OKLCHoklch(47.92% 0.238 273.8)
XYZxyz(16.9287, 9.5107, 70.7413)
Luminance0.0951 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3BDF #DBDF3B
analogous
#3B89DF #3F3BDF #913BDF
triadic
#3F3BDF #DF3F3B #3BDF3F
tetradic
#3F3BDF #DF3B89 #DBDF3B #3BDF91
square
#3F3BDF #DF3B89 #DBDF3B #3BDF91
split-complementary
#3F3BDF #DF913B #89DF3B
monochromatic
#191689 #231FBE #3F3BDF #7370E8 #A6A4F0

Accessibility & contrast

On white

7.24
#3F3BDF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#3F3BDF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BDF
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3BDF#FFFFFF#000000##FFFFFF
##3F3BDF1.007.242.907.24
#FFFFFF7.241.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FE4
Deuteranopia (green-blind)
#004FDC
Tritanopia (blue-blind)
#006B8A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3f3bdf;
/* rgb */ color: rgb(63, 59, 223);
/* oklch */ color: oklch(47.9% 0.238 273.8);
Tailwind
colors: {
  custom: {
    50: '#8b73ea',
    500: '#3f3bdf',
    950: '#000000',
  },
}
SCSS
$custom: #3f3bdf;
$custom-light: #8b73ea;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3bdf",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 223
  },
  "hsl": {
    "h": 241.463,
    "s": 71.93,
    "l": 55.294
  },
  "oklch": {
    "l": 0.47916,
    "c": 0.23753,
    "h": 273.8
  },
  "luminance": 0.09512
}

Semantic roles & 50–950 ramp

primary
#3F3BDF
secondary
#DCDD99
accent
#EF39EA
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #3F3BDF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3BDF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva