#3F48D0#3F48D0

#3F48D0 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.4% C 0.206 H 272.9°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#3F48D0
RGBrgb(63, 72, 208)
HSLhsl(236, 61%, 53%)
HSVhsv(236, 70%, 82%)
CMYKcmyk(69.7%, 65.4%, 0%, 18.4%)
CIE-LABlab(38.28, 40.67, -71.12)
CIE-LCHlch(38.28, 81.93, 299.76°)
OKLaboklab(48.45% 0.0105 -0.2055)
OKLCHoklch(48.45% 0.206 272.9)
XYZxyz(15.7486, 10.2440, 60.8096)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F48D0 #D0C73F
analogous
#3F90D0 #3F48D0 #7E3FD0
triadic
#3F48D0 #D03F48 #48D03F
tetradic
#3F48D0 #D03F90 #D0C73F #3FD07E
square
#3F48D0 #D03F90 #D0C73F #3FD07E
split-complementary
#3F48D0 #D07E3F #90D03F
monochromatic
#1D2377 #2931A9 #3F48D0 #7077DC #A1A6E8

Accessibility & contrast

On white

6.89
#3F48D0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#3F48D0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F48D0
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F48D0#FFFFFF#000000##FFFFFF
##3F48D01.006.893.056.89
#FFFFFF6.891.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061D4
Deuteranopia (green-blind)
#0053CD
Tritanopia (blue-blind)
#006C86
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3f48d0;
/* rgb */ color: rgb(63, 72, 208);
/* oklch */ color: oklch(48.4% 0.206 272.9);
Tailwind
colors: {
  custom: {
    50: '#877bdf',
    500: '#3f48d0',
    950: '#000000',
  },
}
SCSS
$custom: #3f48d0;
$custom-light: #877bdf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f48d0",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 208
  },
  "hsl": {
    "h": 236.276,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48448,
    "c": 0.20573,
    "h": 272.9
  },
  "luminance": 0.10246
}

Semantic roles & 50–950 ramp

primary
#3F48D0
secondary
#D5D196
accent
#DA44E4
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F48D0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F48D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva