#3F44CF#3F44CF

#3F44CF is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.7% C 0.209 H 273.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#3F44CF
RGBrgb(63, 68, 207)
HSLhsl(238, 60%, 53%)
HSVhsv(238, 70%, 81%)
CMYKcmyk(69.6%, 67.1%, 0%, 18.8%)
CIE-LABlab(37.29, 42.75, -72.17)
CIE-LCHlch(37.29, 83.88, 300.64°)
OKLaboklab(47.7% 0.0132 -0.2085)
OKLCHoklch(47.7% 0.209 273.6)
XYZxyz(15.3757, 9.6945, 60.0803)
Luminance0.0970 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F44CF #CFCA3F
analogous
#3F8CCF #3F44CF #823FCF
triadic
#3F44CF #CF3F44 #44CF3F
tetradic
#3F44CF #CF3F8C #CFCA3F #3FCF82
square
#3F44CF #CF3F8C #CFCA3F #3FCF82
split-complementary
#3F44CF #CF823F #8CCF3F
monochromatic
#1E2176 #2A2EA7 #3F44CF #7074DB #A1A3E7

Accessibility & contrast

On white

7.14
#3F44CF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#3F44CF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CF
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F44CF#FFFFFF#000000##FFFFFF
##3F44CF1.007.142.947.14
#FFFFFF7.141.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ED3
Deuteranopia (green-blind)
#0051CC
Tritanopia (blue-blind)
#006984
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #3f44cf;
/* rgb */ color: rgb(63, 68, 207);
/* oklch */ color: oklch(47.7% 0.209 273.6);
Tailwind
colors: {
  custom: {
    50: '#8778df',
    500: '#3f44cf',
    950: '#000000',
  },
}
SCSS
$custom: #3f44cf;
$custom-light: #8778df;
$custom-dark: #000000;
JSON
{
  "hex": "#3f44cf",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 207
  },
  "hsl": {
    "h": 237.917,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47702,
    "c": 0.20895,
    "h": 273.6
  },
  "luminance": 0.09696
}

Semantic roles & 50–950 ramp

primary
#3F44CF
secondary
#D4D296
accent
#DE45E3
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F44CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F44CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva