#3F44E4#3F44E4

#3F44E4 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.7% C 0.235 H 272.6°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#3F44E4
RGBrgb(63, 68, 228)
HSLhsl(238, 75%, 57%)
HSVhsv(238, 72%, 89%)
CMYKcmyk(72.4%, 70.2%, 0%, 10.6%)
CIE-LABlab(39.23, 49.71, -81.03)
CIE-LCHlch(39.23, 95.06, 301.53°)
OKLaboklab(49.69% 0.0106 -0.2344)
OKLCHoklch(49.69% 0.235 272.6)
XYZxyz(18.1159, 10.7906, 74.5118)
Luminance0.1079 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F44E4 #E4DF3F
analogous
#3F96E4 #3F44E4 #8D3FE4
triadic
#3F44E4 #E43F44 #44E43F
tetradic
#3F44E4 #E43F96 #E4DF3F #3FE48D
square
#3F44E4 #E43F96 #E4DF3F #3FE48D
split-complementary
#3F44E4 #E48D3F #96E43F
monochromatic
#151994 #1C22C9 #3F44E4 #7578EC #AAADF3

Accessibility & contrast

On white

6.65
#3F44E4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#3F44E4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F44E4
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F44E4#FFFFFF#000000##FFFFFF
##3F44E41.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064E9
Deuteranopia (green-blind)
#0054E1
Tritanopia (blue-blind)
#00718F
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #3f44e4;
/* rgb */ color: rgb(63, 68, 228);
/* oklch */ color: oklch(49.7% 0.235 272.6);
Tailwind
colors: {
  custom: {
    50: '#8c79ee',
    500: '#3f44e4',
    950: '#000000',
  },
}
SCSS
$custom: #3f44e4;
$custom-light: #8c79ee;
$custom-dark: #000000;
JSON
{
  "hex": "#3f44e4",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 228
  },
  "hsl": {
    "h": 238.182,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49685,
    "c": 0.23466,
    "h": 272.6
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary
#3F44E4
secondary
#E1DF9E
accent
#EC36F2
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0917
muted
#7E7B85

Preview Lab

Preview with #3F44E4

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

Preview Lab → · Contrast checker → · Palette generator →

#3F44E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva