#3F46CE#3F46CE

#3F46CE is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 47.9% C 0.205 H 273.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#3F46CE
RGBrgb(63, 70, 206)
HSLhsl(237, 59%, 53%)
HSVhsv(237, 69%, 81%)
CMYKcmyk(69.4%, 66%, 0%, 19.2%)
CIE-LABlab(37.65, 41.21, -71.00)
CIE-LCHlch(37.65, 82.09, 300.13°)
OKLaboklab(47.94% 0.012 -0.2051)
OKLCHoklch(47.94% 0.205 273.3)
XYZxyz(15.3769, 9.8918, 59.4795)
Luminance0.0989 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F46CE #CEC73F
analogous
#3F8DCE #3F46CE #7F3FCE
triadic
#3F46CE #CE3F46 #46CE3F
tetradic
#3F46CE #CE3F8D #CEC73F #3FCE7F
square
#3F46CE #CE3F8D #CEC73F #3FCE7F
split-complementary
#3F46CE #CE7F3F #8DCE3F
monochromatic
#1E2275 #2A30A6 #3F46CE #7075DA #A1A4E7

Accessibility & contrast

On white

7.05
#3F46CE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.98
#3F46CE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F46CE
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F46CE#FFFFFF#000000##FFFFFF
##3F46CE1.007.052.987.05
#FFFFFF7.051.0021.001.00
#0000002.9821.001.0021.00
##FFFFFF7.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FD2
Deuteranopia (green-blind)
#0052CB
Tritanopia (blue-blind)
#006A84
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #3f46ce;
/* rgb */ color: rgb(63, 70, 206);
/* oklch */ color: oklch(47.9% 0.205 273.3);
Tailwind
colors: {
  custom: {
    50: '#877ade',
    500: '#3f46ce',
    950: '#000000',
  },
}
SCSS
$custom: #3f46ce;
$custom-light: #877ade;
$custom-dark: #000000;
JSON
{
  "hex": "#3f46ce",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 206
  },
  "hsl": {
    "h": 237.063,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47936,
    "c": 0.20546,
    "h": 273.3
  },
  "luminance": 0.09893
}

Semantic roles & 50–950 ramp

primary
#3F46CE
secondary
#D3D095
accent
#DB45E3
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F46CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F46CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva