#3F8DD0#3F8DD0

#3F8DD0 is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.5% C 0.127 H 247.5°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#3F8DD0
RGBrgb(63, 141, 208)
HSLhsl(208, 61%, 53%)
HSVhsv(208, 70%, 82%)
CMYKcmyk(69.7%, 32.2%, 0%, 18.4%)
CIE-LABlab(56.74, -2.16, -41.43)
CIE-LCHlch(56.74, 41.48, 267.01°)
OKLaboklab(62.53% -0.0486 -0.1174)
OKLCHoklch(62.53% 0.127 247.5)
XYZxyz(22.9556, 24.6581, 63.2120)
Luminance0.2466 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DD0 #D0823F
analogous
#3FD0CA #3F8DD0 #3F44D0
triadic
#3F8DD0 #D03F8D #8DD03F
tetradic
#3F8DD0 #CA3FD0 #D0823F #44D03F
square
#3F8DD0 #CA3FD0 #D0823F #44D03F
split-complementary
#3F8DD0 #D03F44 #D0CA3F
monochromatic
#1D4E77 #296EA9 #3F8DD0 #70AADC #A1C7E8

Accessibility & contrast

On white

3.54
#3F8DD0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.93
#3F8DD0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DD0
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DD0#FFFFFF#000000##000000
##3F8DD01.003.545.935.93
#FFFFFF3.541.0021.0021.00
#0000005.9321.001.001.00
##0000005.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F90D3
Deuteranopia (green-blind)
#5B82CF
Tritanopia (blue-blind)
#009DA5
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8dd0;
/* rgb */ color: rgb(63, 141, 208);
/* oklch */ color: oklch(62.5% 0.127 247.5);
Tailwind
colors: {
  custom: {
    50: '#84aede',
    500: '#3f8dd0',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dd0;
$custom-light: #84aede;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dd0",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 208
  },
  "hsl": {
    "h": 207.724,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.62528,
    "c": 0.12705,
    "h": 247.5
  },
  "luminance": 0.24661
}

Semantic roles & 50–950 ramp

primary
#3F8DD0
secondary
#D5B396
accent
#8E44E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DD0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva