#3F9DBC#3F9DBC

#3F9DBC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.3% C 0.098 H 223.3°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#3F9DBC
RGBrgb(63, 157, 188)
HSLhsl(195, 50%, 49%)
HSVhsv(195, 66%, 74%)
CMYKcmyk(66.5%, 16.5%, 0%, 26.3%)
CIE-LABlab(60.60, -17.80, -24.16)
CIE-LCHlch(60.60, 30.01, 233.62°)
OKLaboklab(65.31% -0.0716 -0.0674)
OKLCHoklch(65.31% 0.098 223.3)
XYZxyz(23.1803, 28.7990, 51.9043)
Luminance0.2880 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9DBC #BC5E3F
analogous
#3FBC9D #3F9DBC #3F5FBC
triadic
#3F9DBC #BC3F9D #9DBC3F
tetradic
#3F9DBC #9D3FBC #BC5E3F #5FBC3F
square
#3F9DBC #9D3FBC #BC5E3F #5FBC3F
split-complementary
#3F9DBC #BC3F5F #BC9D3F
monochromatic
#205060 #30778E #3F9DBC #6BB5CD #99CCDD

Accessibility & contrast

On white

3.11
#3F9DBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.76
#3F9DBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DBC
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9DBC#FFFFFF#000000##000000
##3F9DBC1.003.116.766.76
#FFFFFF3.111.0021.0021.00
#0000006.7621.001.001.00
##0000006.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B99BE
Deuteranopia (green-blind)
#7A8DBC
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #3f9dbc;
/* rgb */ color: rgb(63, 157, 188);
/* oklch */ color: oklch(65.3% 0.098 223.3);
Tailwind
colors: {
  custom: {
    50: '#82bad0',
    500: '#3f9dbc',
    950: '#000000',
  },
}
SCSS
$custom: #3f9dbc;
$custom-light: #82bad0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9dbc",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 188
  },
  "hsl": {
    "h": 194.88,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.65311,
    "c": 0.09835,
    "h": 223.3
  },
  "luminance": 0.28802
}

Semantic roles & 50–950 ramp

primary
#3F9DBC
secondary
#C99D8E
accent
#714ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #3F9DBC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9DBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva