#3F41CE#3F41CE

#3F41CE is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.211 H 274.1°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#3F41CE
RGBrgb(63, 65, 206)
HSLhsl(239, 59%, 53%)
HSVhsv(239, 69%, 81%)
CMYKcmyk(69.4%, 68.4%, 0%, 19.2%)
CIE-LABlab(36.54, 44.19, -72.81)
CIE-LCHlch(36.54, 85.18, 301.26°)
OKLaboklab(47.13% 0.0152 -0.2104)
OKLCHoklch(47.13% 0.211 274.1)
XYZxyz(15.0771, 9.2922, 59.3796)
Luminance0.0929 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F41CE #CECC3F
analogous
#3F88CE #3F41CE #853FCE
triadic
#3F41CE #CE3F41 #41CE3F
tetradic
#3F41CE #CE3F88 #CECC3F #3FCE85
square
#3F41CE #CE3F88 #CECC3F #3FCE85
split-complementary
#3F41CE #CE853F #88CE3F
monochromatic
#1E1F75 #2A2CA6 #3F41CE #7071DA #A1A1E7

Accessibility & contrast

On white

7.35
#3F41CE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#3F41CE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F41CE
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F41CE#FFFFFF#000000##FFFFFF
##3F41CE1.007.352.867.35
#FFFFFF7.351.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DD2
Deuteranopia (green-blind)
#004FCB
Tritanopia (blue-blind)
#006782
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3f41ce;
/* rgb */ color: rgb(63, 65, 206);
/* oklch */ color: oklch(47.1% 0.211 274.1);
Tailwind
colors: {
  custom: {
    50: '#8776de',
    500: '#3f41ce',
    950: '#000000',
  },
}
SCSS
$custom: #3f41ce;
$custom-light: #8776de;
$custom-dark: #000000;
JSON
{
  "hex": "#3f41ce",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 206
  },
  "hsl": {
    "h": 239.161,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47134,
    "c": 0.21098,
    "h": 274.1
  },
  "luminance": 0.09294
}

Semantic roles & 50–950 ramp

primary
#3F41CE
secondary
#D3D395
accent
#E045E3
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #3F41CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F41CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva