#3F9CBC#3F9CBC

#3F9CBC is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.099 H 224.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#3F9CBC
RGBrgb(63, 156, 188)
HSLhsl(195, 50%, 49%)
HSVhsv(195, 66%, 74%)
CMYKcmyk(66.5%, 17%, 0%, 26.3%)
CIE-LABlab(60.30, -17.27, -24.62)
CIE-LCHlch(60.30, 30.07, 234.96°)
OKLaboklab(65.07% -0.0705 -0.0687)
OKLCHoklch(65.07% 0.099 224.3)
XYZxyz(23.0118, 28.4621, 51.8482)
Luminance0.2847 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9CBC #BC5F3F
analogous
#3FBC9E #3F9CBC #3F5EBC
triadic
#3F9CBC #BC3F9C #9CBC3F
tetradic
#3F9CBC #9E3FBC #BC5F3F #5EBC3F
square
#3F9CBC #9E3FBC #BC5F3F #5EBC3F
split-complementary
#3F9CBC #BC3F5E #BC9E3F
monochromatic
#205060 #30768E #3F9CBC #6BB4CD #99CBDD

Accessibility & contrast

On white

3.14
#3F9CBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#3F9CBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CBC
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9CBC#FFFFFF#000000##000000
##3F9CBC1.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A99BE
Deuteranopia (green-blind)
#798CBC
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3f9cbc;
/* rgb */ color: rgb(63, 156, 188);
/* oklch */ color: oklch(65.1% 0.099 224.3);
Tailwind
colors: {
  custom: {
    50: '#82b9d0',
    500: '#3f9cbc',
    950: '#000000',
  },
}
SCSS
$custom: #3f9cbc;
$custom-light: #82b9d0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9cbc",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 188
  },
  "hsl": {
    "h": 195.36,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.65071,
    "c": 0.0985,
    "h": 224.3
  },
  "luminance": 0.28465
}

Semantic roles & 50–950 ramp

primary
#3F9CBC
secondary
#C99D8E
accent
#724ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #3F9CBC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9CBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva