#3F3DDA#3F3DDA

#3F3DDA is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.7% C 0.230 H 273.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX#3F3DDA
RGBrgb(63, 61, 218)
HSLhsl(241, 68%, 55%)
HSVhsv(241, 72%, 85%)
CMYKcmyk(71.1%, 72%, 0%, 14.5%)
CIE-LABlab(36.85, 50.40, -79.23)
CIE-LCHlch(36.85, 93.91, 302.46°)
OKLaboklab(47.7% 0.0157 -0.2292)
OKLCHoklch(47.7% 0.23 273.9)
XYZxyz(16.3693, 9.4546, 67.2783)
Luminance0.0946 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3DDA #D8DA3D
analogous
#3D8ADA #3F3DDA #8D3DDA
triadic
#3F3DDA #DA3F3D #3DDA3F
tetradic
#3F3DDA #DA3D8A #D8DA3D #3DDA8D
square
#3F3DDA #DA3D8A #D8DA3D #3DDA8D
split-complementary
#3F3DDA #DA8D3D #8ADA3D
monochromatic
#1A1984 #2523B7 #3F3DDA #7270E4 #A5A4EE

Accessibility & contrast

On white

7.26
#3F3DDA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#3F3DDA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DDA
7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3DDA#FFFFFF#000000##FFFFFF
##3F3DDA1.007.262.897.26
#FFFFFF7.261.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005EDF
Deuteranopia (green-blind)
#004FD7
Tritanopia (blue-blind)
#006A88
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3f3dda;
/* rgb */ color: rgb(63, 61, 218);
/* oklch */ color: oklch(47.7% 0.230 273.9);
Tailwind
colors: {
  custom: {
    50: '#8a74e7',
    500: '#3f3dda',
    950: '#000000',
  },
}
SCSS
$custom: #3f3dda;
$custom-light: #8a74e7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3dda",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 218
  },
  "hsl": {
    "h": 240.764,
    "s": 67.965,
    "l": 54.706
  },
  "oklch": {
    "l": 0.47695,
    "c": 0.2297,
    "h": 273.9
  },
  "luminance": 0.09456
}

Semantic roles & 50–950 ramp

primary
#3F3DDA
secondary
#DADB98
accent
#EB3DE9
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #3F3DDA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3DDA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva