#3F8CCC#3F8CCC

#3F8CCC is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.123 H 246.6°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#3F8CCC
RGBrgb(63, 140, 204)
HSLhsl(207, 58%, 52%)
HSVhsv(207, 69%, 80%)
CMYKcmyk(69.1%, 31.4%, 0%, 20%)
CIE-LABlab(56.26, -2.97, -39.93)
CIE-LCHlch(56.26, 40.04, 265.75°)
OKLaboklab(62.09% -0.0488 -0.113)
OKLCHoklch(62.09% 0.123 246.6)
XYZxyz(22.3229, 24.1702, 60.6039)
Luminance0.2417 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8CCC #CC7F3F
analogous
#3FCCC6 #3F8CCC #3F45CC
triadic
#3F8CCC #CC3F8C #8CCC3F
tetradic
#3F8CCC #C63FCC #CC7F3F #45CC3F
square
#3F8CCC #C63FCC #CC7F3F #45CC3F
split-complementary
#3F8CCC #CC3F45 #CCC63F
monochromatic
#1E4C72 #2B6CA3 #3F8CCC #6FA9D9 #A0C6E6

Accessibility & contrast

On white

3.60
#3F8CCC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#3F8CCC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CCC
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8CCC#FFFFFF#000000##000000
##3F8CCC1.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F8ECF
Deuteranopia (green-blind)
#5C81CB
Tritanopia (blue-blind)
#009BA3
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f8ccc;
/* rgb */ color: rgb(63, 140, 204);
/* oklch */ color: oklch(62.1% 0.123 246.6);
Tailwind
colors: {
  custom: {
    50: '#84addc',
    500: '#3f8ccc',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ccc;
$custom-light: #84addc;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ccc",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 204
  },
  "hsl": {
    "h": 207.234,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62085,
    "c": 0.12313,
    "h": 246.6
  },
  "luminance": 0.24173
}

Semantic roles & 50–950 ramp

primary
#3F8CCC
secondary
#D2B195
accent
#8D47E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8CCC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8CCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva