#3F9ECE#3F9ECE

#3F9ECE is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.4% C 0.113 H 234.3°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#3F9ECE
RGBrgb(63, 158, 206)
HSLhsl(200, 59%, 53%)
HSVhsv(200, 69%, 81%)
CMYKcmyk(69.4%, 23.3%, 0%, 19.2%)
CIE-LABlab(61.62, -12.47, -32.67)
CIE-LCHlch(61.62, 34.97, 249.11°)
OKLaboklab(66.36% -0.066 -0.0918)
OKLCHoklch(66.36% 0.113 234.3)
XYZxyz(25.4129, 29.9639, 62.8248)
Luminance0.2997 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9ECE #CE6F3F
analogous
#3FCEB7 #3F9ECE #3F56CE
triadic
#3F9ECE #CE3F9E #9ECE3F
tetradic
#3F9ECE #B73FCE #CE6F3F #56CE3F
square
#3F9ECE #B73FCE #CE6F3F #56CE3F
split-complementary
#3F9ECE #CE3F56 #CEB73F
monochromatic
#1E5875 #2A7CA6 #3F9ECE #70B7DA #A1CFE7

Accessibility & contrast

On white

3.00
#3F9ECE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#3F9ECE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ECE
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9ECE#FFFFFF#000000##000000
##3F9ECE1.003.006.996.99
#FFFFFF3.001.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#879DD0
Deuteranopia (green-blind)
#738FCD
Tritanopia (blue-blind)
#00ABAE
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #3f9ece;
/* rgb */ color: rgb(63, 158, 206);
/* oklch */ color: oklch(66.4% 0.113 234.3);
Tailwind
colors: {
  custom: {
    50: '#85badd',
    500: '#3f9ece',
    950: '#000000',
  },
}
SCSS
$custom: #3f9ece;
$custom-light: #85badd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9ece",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 206
  },
  "hsl": {
    "h": 200.14,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.66364,
    "c": 0.1131,
    "h": 234.3
  },
  "luminance": 0.29967
}

Semantic roles & 50–950 ramp

primary
#3F9ECE
secondary
#D3AA95
accent
#7A45E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3F9ECE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9ECE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva