#3F8DCE#3F8DCE

#3F8DCE is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.4% C 0.125 H 246.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#3F8DCE
RGBrgb(63, 141, 206)
HSLhsl(207, 59%, 53%)
HSVhsv(207, 69%, 81%)
CMYKcmyk(69.4%, 31.6%, 0%, 19.2%)
CIE-LABlab(56.64, -2.85, -40.45)
CIE-LCHlch(56.64, 40.55, 265.96°)
OKLaboklab(62.42% -0.0492 -0.1145)
OKLCHoklch(62.42% 0.125 246.8)
XYZxyz(22.7111, 24.5603, 61.9242)
Luminance0.2456 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DCE #CE803F
analogous
#3FCEC8 #3F8DCE #3F45CE
triadic
#3F8DCE #CE3F8D #8DCE3F
tetradic
#3F8DCE #C83FCE #CE803F #45CE3F
square
#3F8DCE #C83FCE #CE803F #45CE3F
split-complementary
#3F8DCE #CE3F45 #CEC83F
monochromatic
#1E4D75 #2A6EA6 #3F8DCE #70AADA #A1C7E7

Accessibility & contrast

On white

3.55
#3F8DCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.91
#3F8DCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCE
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DCE#FFFFFF#000000##000000
##3F8DCE1.003.555.915.91
#FFFFFF3.551.0021.0021.00
#0000005.9121.001.001.00
##0000005.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#708FD1
Deuteranopia (green-blind)
#5C82CD
Tritanopia (blue-blind)
#009DA4
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8dce;
/* rgb */ color: rgb(63, 141, 206);
/* oklch */ color: oklch(62.4% 0.125 246.8);
Tailwind
colors: {
  custom: {
    50: '#84aedd',
    500: '#3f8dce',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dce;
$custom-light: #84aedd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dce",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 206
  },
  "hsl": {
    "h": 207.273,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62421,
    "c": 0.12466,
    "h": 246.8
  },
  "luminance": 0.24563
}

Semantic roles & 50–950 ramp

primary
#3F8DCE
secondary
#D3B295
accent
#8D45E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DCE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva