#3F8DCF#3F8DCF

#3F8DCF is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.5% C 0.126 H 247.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#3F8DCF
RGBrgb(63, 141, 207)
HSLhsl(208, 60%, 53%)
HSVhsv(208, 70%, 81%)
CMYKcmyk(69.6%, 31.9%, 0%, 18.8%)
CIE-LABlab(56.69, -2.51, -40.94)
CIE-LCHlch(56.69, 41.02, 266.50°)
OKLaboklab(62.47% -0.0489 -0.116)
OKLCHoklch(62.47% 0.126 247.1)
XYZxyz(22.8330, 24.6090, 62.5661)
Luminance0.2461 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DCF #CF813F
analogous
#3FCFC9 #3F8DCF #3F45CF
triadic
#3F8DCF #CF3F8D #8DCF3F
tetradic
#3F8DCF #C93FCF #CF813F #45CF3F
square
#3F8DCF #C93FCF #CF813F #45CF3F
split-complementary
#3F8DCF #CF3F45 #CFC93F
monochromatic
#1E4D76 #2A6EA7 #3F8DCF #70AADB #A1C7E7

Accessibility & contrast

On white

3.55
#3F8DCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#3F8DCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCF
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DCF#FFFFFF#000000##000000
##3F8DCF1.003.555.925.92
#FFFFFF3.551.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F90D2
Deuteranopia (green-blind)
#5B82CE
Tritanopia (blue-blind)
#009DA5
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8dcf;
/* rgb */ color: rgb(63, 141, 207);
/* oklch */ color: oklch(62.5% 0.126 247.1);
Tailwind
colors: {
  custom: {
    50: '#84aede',
    500: '#3f8dcf',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dcf;
$custom-light: #84aede;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dcf",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 207.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62474,
    "c": 0.12586,
    "h": 247.1
  },
  "luminance": 0.24612
}

Semantic roles & 50–950 ramp

primary
#3F8DCF
secondary
#D4B296
accent
#8D45E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva