#3F3DD9#3F3DD9

#3F3DD9 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.6% C 0.229 H 274.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#3F3DD9
RGBrgb(63, 61, 217)
HSLhsl(241, 67%, 55%)
HSVhsv(241, 72%, 85%)
CMYKcmyk(71%, 71.9%, 0%, 14.9%)
CIE-LABlab(36.75, 50.08, -78.82)
CIE-LCHlch(36.75, 93.39, 302.43°)
OKLaboklab(47.6% 0.0159 -0.228)
OKLCHoklch(47.6% 0.229 274)
XYZxyz(16.2389, 9.4024, 66.5912)
Luminance0.0940 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3DD9 #D7D93D
analogous
#3D89D9 #3F3DD9 #8D3DD9
triadic
#3F3DD9 #D93F3D #3DD93F
tetradic
#3F3DD9 #D93D89 #D7D93D #3DD98D
square
#3F3DD9 #D93D89 #D7D93D #3DD98D
split-complementary
#3F3DD9 #D98D3D #89D93D
monochromatic
#1B1982 #2524B5 #3F3DD9 #7270E3 #A4A3ED

Accessibility & contrast

On white

7.29
#3F3DD9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#3F3DD9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DD9
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3DD9#FFFFFF#000000##FFFFFF
##3F3DD91.007.292.887.29
#FFFFFF7.291.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005EDE
Deuteranopia (green-blind)
#004FD6
Tritanopia (blue-blind)
#006987
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3f3dd9;
/* rgb */ color: rgb(63, 61, 217);
/* oklch */ color: oklch(47.6% 0.229 274.0);
Tailwind
colors: {
  custom: {
    50: '#8a74e6',
    500: '#3f3dd9',
    950: '#000000',
  },
}
SCSS
$custom: #3f3dd9;
$custom-light: #8a74e6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3dd9",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 217
  },
  "hsl": {
    "h": 240.769,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47596,
    "c": 0.22851,
    "h": 274
  },
  "luminance": 0.09404
}

Semantic roles & 50–950 ramp

primary
#3F3DD9
secondary
#D9DA98
accent
#EA3EE8
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #3F3DD9

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3DD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva