#3F8DD7#3F8DD7

#3F8DD7 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.136 H 249.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#3F8DD7
RGBrgb(63, 141, 215)
HSLhsl(209, 66%, 55%)
HSVhsv(209, 71%, 84%)
CMYKcmyk(70.7%, 34.4%, 0%, 15.7%)
CIE-LABlab(57.09, 0.28, -44.82)
CIE-LCHlch(57.09, 44.82, 270.36°)
OKLaboklab(62.91% -0.0467 -0.1273)
OKLCHoklch(62.91% 0.136 249.9)
XYZxyz(23.8359, 25.0102, 67.8480)
Luminance0.2501 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DD7 #D7893F
analogous
#3FD7D5 #3F8DD7 #3F41D7
triadic
#3F8DD7 #D73F8D #8DD73F
tetradic
#3F8DD7 #D53FD7 #D7893F #41D73F
square
#3F8DD7 #D53FD7 #D7893F #41D73F
split-complementary
#3F8DD7 #D73F41 #D7D53F
monochromatic
#1B4F81 #256EB3 #3F8DD7 #72ABE2 #A4C9EC

Accessibility & contrast

On white

3.50
#3F8DD7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#3F8DD7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DD7
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DD7#FFFFFF#000000##000000
##3F8DD71.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C91DA
Deuteranopia (green-blind)
#5683D6
Tritanopia (blue-blind)
#009FA8
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3f8dd7;
/* rgb */ color: rgb(63, 141, 215);
/* oklch */ color: oklch(62.9% 0.136 249.9);
Tailwind
colors: {
  custom: {
    50: '#86aee3',
    500: '#3f8dd7',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dd7;
$custom-light: #86aee3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dd7",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 215
  },
  "hsl": {
    "h": 209.211,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62912,
    "c": 0.13556,
    "h": 249.9
  },
  "luminance": 0.25013
}

Semantic roles & 50–950 ramp

primary
#3F8DD7
secondary
#D9B899
accent
#923FE8
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DD7

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DD7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva