#3F6AE8#3F6AE8

#3F6AE8 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.6% C 0.197 H 266.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#3F6AE8
RGBrgb(63, 106, 232)
HSLhsl(225, 79%, 58%)
HSVhsv(225, 73%, 91%)
CMYKcmyk(72.8%, 54.3%, 0%, 9%)
CIE-LABlab(48.50, 27.89, -68.13)
CIE-LCHlch(48.50, 73.62, 292.26°)
OKLaboklab(56.62% -0.0137 -0.1963)
OKLCHoklch(56.62% 0.197 266)
XYZxyz(21.7643, 17.1887, 78.4990)
Luminance0.1719 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6AE8 #E8BD3F
analogous
#3FBEE8 #3F6AE8 #693FE8
triadic
#3F6AE8 #E83F6A #6AE83F
tetradic
#3F6AE8 #E83FBE #E8BD3F #3FE869
square
#3F6AE8 #E83FBE #E8BD3F #3FE869
split-complementary
#3F6AE8 #E8693F #BEE83F
monochromatic
#12359A #1948D1 #3F6AE8 #7694EF #ACBFF5

Accessibility & contrast

On white

4.73
#3F6AE8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.44
#3F6AE8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6AE8
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6AE8#FFFFFF#000000##FFFFFF
##3F6AE81.004.734.444.73
#FFFFFF4.731.0021.001.00
#0000004.4421.001.0021.00
##FFFFFF4.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#007BEC
Deuteranopia (green-blind)
#006CE6
Tritanopia (blue-blind)
#00899F
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3f6ae8;
/* rgb */ color: rgb(63, 106, 232);
/* oklch */ color: oklch(56.6% 0.197 266.0);
Tailwind
colors: {
  custom: {
    50: '#8a94f0',
    500: '#3f6ae8',
    950: '#000000',
  },
}
SCSS
$custom: #3f6ae8;
$custom-light: #8a94f0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6ae8",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 232
  },
  "hsl": {
    "h": 224.734,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5662,
    "c": 0.1968,
    "h": 266
  },
  "luminance": 0.17191
}

Semantic roles & 50–950 ramp

primary
#3F6AE8
secondary
#E3D2A0
accent
#C433F5
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0D0D17
muted
#7E7E85

Preview Lab

Preview with #3F6AE8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6AE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva