#3F44D5#3F44D5

#3F44D5 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.3% C 0.216 H 273.3°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#3F44D5
RGBrgb(63, 68, 213)
HSLhsl(238, 64%, 54%)
HSVhsv(238, 70%, 84%)
CMYKcmyk(70.4%, 68.1%, 0%, 16.5%)
CIE-LABlab(37.83, 44.75, -74.74)
CIE-LCHlch(37.83, 87.11, 300.91°)
OKLaboklab(48.26% 0.0125 -0.216)
OKLCHoklch(48.26% 0.216 273.3)
XYZxyz(16.1232, 9.9935, 64.0171)
Luminance0.0999 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F44D5 #D5D03F
analogous
#3F8FD5 #3F44D5 #853FD5
triadic
#3F44D5 #D53F44 #44D53F
tetradic
#3F44D5 #D53F8F #D5D03F #3FD585
square
#3F44D5 #D53F8F #D5D03F #3FD585
split-complementary
#3F44D5 #D5853F #8FD53F
monochromatic
#1C1F7E #272BB0 #3F44D5 #7175E0 #A3A6EB

Accessibility & contrast

On white

7.00
#3F44D5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

3.00
#3F44D5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F44D5
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F44D5#FFFFFF#000000##FFFFFF
##3F44D51.007.003.007.00
#FFFFFF7.001.0021.001.00
#0000003.0021.001.0021.00
##FFFFFF7.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060D9
Deuteranopia (green-blind)
#0052D2
Tritanopia (blue-blind)
#006B87
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #3f44d5;
/* rgb */ color: rgb(63, 68, 213);
/* oklch */ color: oklch(48.3% 0.216 273.3);
Tailwind
colors: {
  custom: {
    50: '#8879e3',
    500: '#3f44d5',
    950: '#000000',
  },
}
SCSS
$custom: #3f44d5;
$custom-light: #8879e3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f44d5",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 213
  },
  "hsl": {
    "h": 238,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.4826,
    "c": 0.21641,
    "h": 273.3
  },
  "luminance": 0.09995
}

Semantic roles & 50–950 ramp

primary
#3F44D5
secondary
#D8D698
accent
#E241E7
background
#F9F7FE
surface
#F1EDFC
border
#CBC8D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #3F44D5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F44D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva