#3F44D0#3F44D0

#3F44D0 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.8% C 0.210 H 273.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#3F44D0
RGBrgb(63, 68, 208)
HSLhsl(238, 61%, 53%)
HSVhsv(238, 70%, 82%)
CMYKcmyk(69.7%, 67.3%, 0%, 18.4%)
CIE-LABlab(37.38, 43.08, -72.60)
CIE-LCHlch(37.38, 84.42, 300.69°)
OKLaboklab(47.8% 0.0131 -0.2098)
OKLCHoklch(47.8% 0.21 273.6)
XYZxyz(15.4984, 9.7436, 60.7262)
Luminance0.0974 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F44D0 #D0CB3F
analogous
#3F8CD0 #3F44D0 #823FD0
triadic
#3F44D0 #D03F44 #44D03F
tetradic
#3F44D0 #D03F8C #D0CB3F #3FD082
square
#3F44D0 #D03F8C #D0CB3F #3FD082
split-complementary
#3F44D0 #D0823F #8CD03F
monochromatic
#1D2077 #292EA9 #3F44D0 #7074DC #A1A4E8

Accessibility & contrast

On white

7.12
#3F44D0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#3F44D0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44D0
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F44D0#FFFFFF#000000##FFFFFF
##3F44D01.007.122.957.12
#FFFFFF7.121.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FD4
Deuteranopia (green-blind)
#0051CD
Tritanopia (blue-blind)
#006A84
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #3f44d0;
/* rgb */ color: rgb(63, 68, 208);
/* oklch */ color: oklch(47.8% 0.210 273.6);
Tailwind
colors: {
  custom: {
    50: '#8778e0',
    500: '#3f44d0',
    950: '#000000',
  },
}
SCSS
$custom: #3f44d0;
$custom-light: #8778e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f44d0",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 208
  },
  "hsl": {
    "h": 237.931,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47795,
    "c": 0.2102,
    "h": 273.6
  },
  "luminance": 0.09745
}

Semantic roles & 50–950 ramp

primary
#3F44D0
secondary
#D5D396
accent
#DE44E4
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F44D0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F44D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva