#3F4AC0#3F4AC0

#3F4AC0 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.4% C 0.183 H 273.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#3F4AC0
RGBrgb(63, 74, 192)
HSLhsl(235, 51%, 50%)
HSVhsv(235, 67%, 75%)
CMYKcmyk(67.2%, 61.5%, 0%, 24.7%)
CIE-LABlab(37.41, 33.92, -63.25)
CIE-LCHlch(37.41, 71.77, 298.21°)
OKLaboklab(47.39% 0.01 -0.1824)
OKLCHoklch(47.39% 0.183 273.1)
XYZxyz(14.0099, 9.7588, 51.0043)
Luminance0.0976 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F4AC0 #C0B53F
analogous
#3F8AC0 #3F4AC0 #753FC0
triadic
#3F4AC0 #C03F4A #4AC03F
tetradic
#3F4AC0 #C03F8A #C0B53F #3FC075
square
#3F4AC0 #C03F8A #C0B53F #3FC075
split-complementary
#3F4AC0 #C0753F #8AC03F
monochromatic
#212664 #303892 #3F4AC0 #6D75CF #9BA1DE

Accessibility & contrast

On white

7.11
#3F4AC0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#3F4AC0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4AC0
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F4AC0#FFFFFF#000000##FFFFFF
##3F4AC01.007.112.957.11
#FFFFFF7.111.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005EC4
Deuteranopia (green-blind)
#0052BE
Tritanopia (blue-blind)
#00687E
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #3f4ac0;
/* rgb */ color: rgb(63, 74, 192);
/* oklch */ color: oklch(47.4% 0.183 273.1);
Tailwind
colors: {
  custom: {
    50: '#847cd4',
    500: '#3f4ac0',
    950: '#000000',
  },
}
SCSS
$custom: #3f4ac0;
$custom-light: #847cd4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f4ac0",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 192
  },
  "hsl": {
    "h": 234.884,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.47394,
    "c": 0.18263,
    "h": 273.1
  },
  "luminance": 0.0976
}

Semantic roles & 50–950 ramp

primary
#3F4AC0
secondary
#CAC591
accent
#CE4EDA
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #3F4AC0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F4AC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva