#3F41DE#3F41DE

#3F41DE is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.7% C 0.231 H 273.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX#3F41DE
RGBrgb(63, 65, 222)
HSLhsl(239, 71%, 56%)
HSVhsv(239, 72%, 87%)
CMYKcmyk(71.6%, 70.7%, 0%, 12.9%)
CIE-LABlab(38.04, 49.45, -79.56)
CIE-LCHlch(38.04, 93.68, 301.86°)
OKLaboklab(48.66% 0.013 -0.2301)
OKLCHoklch(48.66% 0.231 273.2)
XYZxyz(17.1206, 10.1096, 70.1421)
Luminance0.1011 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F41DE #DEDC3F
analogous
#3F90DE #3F41DE #8C3FDE
triadic
#3F41DE #DE3F41 #41DE3F
tetradic
#3F41DE #DE3F90 #DEDC3F #3FDE8C
square
#3F41DE #DE3F90 #DEDC3F #3FDE8C
split-complementary
#3F41DE #DE8C3F #90DE3F
monochromatic
#18198B #2123BF #3F41DE #7375E7 #A7A8F0

Accessibility & contrast

On white

6.95
#3F41DE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.02
#3F41DE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F41DE
6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F41DE#FFFFFF#000000##FFFFFF
##3F41DE1.006.953.026.95
#FFFFFF6.951.0021.001.00
#0000003.0221.001.0021.00
##FFFFFF6.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061E3
Deuteranopia (green-blind)
#0052DB
Tritanopia (blue-blind)
#006D8B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3f41de;
/* rgb */ color: rgb(63, 65, 222);
/* oklch */ color: oklch(48.7% 0.231 273.2);
Tailwind
colors: {
  custom: {
    50: '#8b77ea',
    500: '#3f41de',
    950: '#000000',
  },
}
SCSS
$custom: #3f41de;
$custom-light: #8b77ea;
$custom-dark: #000000;
JSON
{
  "hex": "#3f41de",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 222
  },
  "hsl": {
    "h": 239.245,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.48663,
    "c": 0.2305,
    "h": 273.2
  },
  "luminance": 0.10111
}

Semantic roles & 50–950 ramp

primary
#3F41DE
secondary
#DDDD9B
accent
#EB3AED
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0916
muted
#7E7B84

Preview Lab

Preview with #3F41DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F41DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva