#3F84ED#3F84ED

#3F84ED is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.3% C 0.173 H 258.7°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#3F84ED
RGBrgb(63, 132, 237)
HSLhsl(216, 83%, 59%)
HSVhsv(216, 73%, 93%)
CMYKcmyk(73.4%, 44.3%, 0%, 7.1%)
CIE-LABlab(55.76, 13.53, -59.22)
CIE-LCHlch(55.76, 60.74, 282.87°)
OKLaboklab(62.27% -0.0338 -0.1696)
OKLCHoklch(62.27% 0.173 258.7)
XYZxyz(25.5817, 23.6709, 83.3250)
Luminance0.2367 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F84ED #EDA83F
analogous
#3FDBED #3F84ED #513FED
triadic
#3F84ED #ED3F84 #84ED3F
tetradic
#3F84ED #ED3FDB #EDA83F #3FED51
square
#3F84ED #ED3FDB #EDA83F #3FED51
split-complementary
#3F84ED #ED513F #DBED3F
monochromatic
#0F4AA2 #1463DA #3F84ED #77A8F2 #AFCCF7

Accessibility & contrast

On white

3.66
#3F84ED on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#3F84ED on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84ED
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F84ED#FFFFFF#000000##000000
##3F84ED1.003.665.735.73
#FFFFFF3.661.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E8EF1
Deuteranopia (green-blind)
#2B7EEB
Tritanopia (blue-blind)
#009DAD
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3f84ed;
/* rgb */ color: rgb(63, 132, 237);
/* oklch */ color: oklch(62.3% 0.173 258.7);
Tailwind
colors: {
  custom: {
    50: '#8aa7f3',
    500: '#3f84ed',
    950: '#000000',
  },
}
SCSS
$custom: #3f84ed;
$custom-light: #8aa7f3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f84ed",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 237
  },
  "hsl": {
    "h": 216.207,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.62266,
    "c": 0.17298,
    "h": 258.7
  },
  "luminance": 0.23674
}

Semantic roles & 50–950 ramp

primary
#3F84ED
secondary
#E6CBA2
accent
#A92FF9
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D0F17
muted
#7E7F85

Preview Lab

Preview with #3F84ED

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

Preview Lab → · Contrast checker → · Palette generator →

#3F84ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva