#3F6EE8#3F6EE8

#3F6EE8 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.192 H 265.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#3F6EE8
RGBrgb(63, 110, 232)
HSLhsl(223, 79%, 58%)
HSVhsv(223, 73%, 91%)
CMYKcmyk(72.8%, 52.6%, 0%, 9%)
CIE-LABlab(49.54, 25.38, -66.45)
CIE-LCHlch(49.54, 71.13, 290.90°)
OKLaboklab(57.4% -0.0168 -0.1913)
OKLCHoklch(57.4% 0.192 265)
XYZxyz(22.1862, 18.0324, 78.6396)
Luminance0.1804 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6EE8 #E8B93F
analogous
#3FC2E8 #3F6EE8 #653FE8
triadic
#3F6EE8 #E83F6E #6EE83F
tetradic
#3F6EE8 #E83FC2 #E8B93F #3FE865
square
#3F6EE8 #E83FC2 #E8B93F #3FE865
split-complementary
#3F6EE8 #E8653F #C2E83F
monochromatic
#12389A #194CD1 #3F6EE8 #7697EF #ACC1F5

Accessibility & contrast

On white

4.56
#3F6EE8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#3F6EE8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F6EE8
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6EE8#FFFFFF#000000##000000
##3F6EE81.004.564.614.61
#FFFFFF4.561.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#137EEC
Deuteranopia (green-blind)
#006EE6
Tritanopia (blue-blind)
#008CA0
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3f6ee8;
/* rgb */ color: rgb(63, 110, 232);
/* oklch */ color: oklch(57.4% 0.192 265.0);
Tailwind
colors: {
  custom: {
    50: '#8a97f0',
    500: '#3f6ee8',
    950: '#000000',
  },
}
SCSS
$custom: #3f6ee8;
$custom-light: #8a97f0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6ee8",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 232
  },
  "hsl": {
    "h": 223.314,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57405,
    "c": 0.19204,
    "h": 265
  },
  "luminance": 0.18035
}

Semantic roles & 50–950 ramp

primary
#3F6EE8
secondary
#E3D0A0
accent
#BF33F5
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0D0D17
muted
#7E7E85

Preview Lab

Preview with #3F6EE8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6EE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva