#3F49D2#3F49D2

#3F49D2 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 48.8% C 0.207 H 272.7°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#3F49D2
RGBrgb(63, 73, 210)
HSLhsl(236, 62%, 54%)
HSVhsv(236, 70%, 82%)
CMYKcmyk(70%, 65.2%, 0%, 17.6%)
CIE-LABlab(38.68, 40.74, -71.62)
CIE-LCHlch(38.68, 82.40, 299.64°)
OKLaboklab(48.79% 0.0096 -0.2069)
OKLCHoklch(48.79% 0.207 272.7)
XYZxyz(16.0614, 10.4734, 62.1354)
Luminance0.1047 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F49D2 #D2C83F
analogous
#3F92D2 #3F49D2 #7E3FD2
triadic
#3F49D2 #D23F49 #49D23F
tetradic
#3F49D2 #D23F92 #D2C83F #3FD27E
square
#3F49D2 #D23F92 #D2C83F #3FD27E
split-complementary
#3F49D2 #D27E3F #92D23F
monochromatic
#1D237A #2831AC #3F49D2 #7178DE #A2A7E9

Accessibility & contrast

On white

6.79
#3F49D2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#3F49D2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F49D2
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F49D2#FFFFFF#000000##FFFFFF
##3F49D21.006.793.106.79
#FFFFFF6.791.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062D6
Deuteranopia (green-blind)
#0054CF
Tritanopia (blue-blind)
#006D87
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #3f49d2;
/* rgb */ color: rgb(63, 73, 210);
/* oklch */ color: oklch(48.8% 0.207 272.7);
Tailwind
colors: {
  custom: {
    50: '#877ce1',
    500: '#3f49d2',
    950: '#000000',
  },
}
SCSS
$custom: #3f49d2;
$custom-light: #877ce1;
$custom-dark: #000000;
JSON
{
  "hex": "#3f49d2",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 210
  },
  "hsl": {
    "h": 235.918,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48794,
    "c": 0.20713,
    "h": 272.7
  },
  "luminance": 0.10475
}

Semantic roles & 50–950 ramp

primary
#3F49D2
secondary
#D6D297
accent
#DA43E5
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F49D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3F49D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva