#3F8AD8#3F8AD8

#3F8AD8 is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.3% C 0.140 H 251.8°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX#3F8AD8
RGBrgb(63, 138, 216)
HSLhsl(211, 66%, 55%)
HSVhsv(211, 71%, 85%)
CMYKcmyk(70.8%, 36.1%, 0%, 15.3%)
CIE-LABlab(56.28, 2.41, -46.66)
CIE-LCHlch(56.28, 46.72, 272.96°)
OKLaboklab(62.29% -0.0436 -0.1327)
OKLCHoklch(62.29% 0.14 251.8)
XYZxyz(23.5284, 24.1890, 68.3814)
Luminance0.2419 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8AD8 #D88D3F
analogous
#3FD7D8 #3F8AD8 #403FD8
triadic
#3F8AD8 #D83F8A #8AD83F
tetradic
#3F8AD8 #D83FD7 #D88D3F #3FD840
square
#3F8AD8 #D83FD7 #D88D3F #3FD840
split-complementary
#3F8AD8 #D8403F #D7D83F
monochromatic
#1A4D82 #256BB5 #3F8AD8 #72A9E2 #A5C8ED

Accessibility & contrast

On white

3.60
#3F8AD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.84
#3F8AD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AD8
5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8AD8#FFFFFF#000000##000000
##3F8AD81.003.605.845.84
#FFFFFF3.601.0021.0021.00
#0000005.8421.001.001.00
##0000005.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#678FDB
Deuteranopia (green-blind)
#5080D6
Tritanopia (blue-blind)
#009CA7
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f8ad8;
/* rgb */ color: rgb(63, 138, 216);
/* oklch */ color: oklch(62.3% 0.140 251.8);
Tailwind
colors: {
  custom: {
    50: '#86abe4',
    500: '#3f8ad8',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ad8;
$custom-light: #86abe4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ad8",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 216
  },
  "hsl": {
    "h": 210.588,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62294,
    "c": 0.13967,
    "h": 251.8
  },
  "luminance": 0.24192
}

Semantic roles & 50–950 ramp

primary
#3F8AD8
secondary
#DABA99
accent
#963FE9
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1015
muted
#7D7F84

Preview Lab

Preview with #3F8AD8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8AD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva