#339FBC#339FBC

#339FBC is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.104 H 219.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#339FBC
RGBrgb(51, 159, 188)
HSLhsl(193, 57%, 47%)
HSVhsv(193, 73%, 74%)
CMYKcmyk(72.9%, 15.4%, 0%, 26.3%)
CIE-LABlab(60.89, -20.60, -23.74)
CIE-LCHlch(60.89, 31.43, 229.05°)
OKLaboklab(65.46% -0.0797 -0.0663)
OKLCHoklch(65.46% 0.104 219.7)
XYZxyz(22.8367, 29.1282, 51.9859)
Luminance0.2913 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339FBC #BC5033
analogous
#33BC95 #339FBC #335ABC
triadic
#339FBC #BC339F #9FBC33
tetradic
#339FBC #9533BC #BC5033 #5ABC33
square
#339FBC #9533BC #BC5033 #5ABC33
split-complementary
#339FBC #BC335A #BC9533
monochromatic
#194E5C #26768C #339FBC #5AB9D2 #8ACDDF

Accessibility & contrast

On white

3.08
#339FBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.83
#339FBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FBC
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339FBC#FFFFFF#000000##000000
##339FBC1.003.086.836.83
#FFFFFF3.081.0021.0021.00
#0000006.8321.001.001.00
##0000006.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9BBE
Deuteranopia (green-blind)
#7A8DBC
Tritanopia (blue-blind)
#00A9A8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #339fbc;
/* rgb */ color: rgb(51, 159, 188);
/* oklch */ color: oklch(65.5% 0.104 219.7);
Tailwind
colors: {
  custom: {
    50: '#7ebbd0',
    500: '#339fbc',
    950: '#000000',
  },
}
SCSS
$custom: #339fbc;
$custom-light: #7ebbd0;
$custom-dark: #000000;
JSON
{
  "hex": "#339fbc",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 188
  },
  "hsl": {
    "h": 192.701,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.65456,
    "c": 0.10372,
    "h": 219.7
  },
  "luminance": 0.29131
}

Semantic roles & 50–950 ramp

primary
#339FBC
secondary
#C99181
accent
#6847E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #339FBC

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

Preview Lab → · Contrast checker → · Palette generator →

#339FBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva