#3F46DE#3F46DE

#3F46DE is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.4% C 0.225 H 272.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#3F46DE
RGBrgb(63, 70, 222)
HSLhsl(237, 71%, 56%)
HSVhsv(237, 72%, 87%)
CMYKcmyk(71.6%, 68.5%, 0%, 12.9%)
CIE-LABlab(39.09, 46.58, -77.84)
CIE-LCHlch(39.09, 90.71, 300.90°)
OKLaboklab(49.42% 0.0103 -0.2251)
OKLCHoklch(49.42% 0.225 272.6)
XYZxyz(17.4204, 10.7092, 70.2421)
Luminance0.1071 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F46DE #DED73F
analogous
#3F96DE #3F46DE #873FDE
triadic
#3F46DE #DE3F46 #46DE3F
tetradic
#3F46DE #DE3F96 #DED73F #3FDE87
square
#3F46DE #DE3F96 #DED73F #3FDE87
split-complementary
#3F46DE #DE873F #96DE3F
monochromatic
#181D8B #2128BF #3F46DE #7378E7 #A7ABF0

Accessibility & contrast

On white

6.68
#3F46DE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#3F46DE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F46DE
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F46DE#FFFFFF#000000##FFFFFF
##3F46DE1.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064E3
Deuteranopia (green-blind)
#0054DB
Tritanopia (blue-blind)
#00708D
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #3f46de;
/* rgb */ color: rgb(63, 70, 222);
/* oklch */ color: oklch(49.4% 0.225 272.6);
Tailwind
colors: {
  custom: {
    50: '#8a7aea',
    500: '#3f46de',
    950: '#000000',
  },
}
SCSS
$custom: #3f46de;
$custom-light: #8a7aea;
$custom-dark: #000000;
JSON
{
  "hex": "#3f46de",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 222
  },
  "hsl": {
    "h": 237.358,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49416,
    "c": 0.22533,
    "h": 272.6
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary
#3F46DE
secondary
#DDDA9B
accent
#E63AED
background
#F9F7FE
surface
#F2EEFD
border
#CCC9D5
text
#0E0916
muted
#7E7B84

Preview Lab

Preview with #3F46DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F46DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva