#339BBF#339BBF

#339BBF is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.6% C 0.106 H 225.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#339BBF
RGBrgb(51, 155, 191)
HSLhsl(195, 58%, 47%)
HSVhsv(195, 73%, 75%)
CMYKcmyk(73.3%, 18.8%, 0%, 25.1%)
CIE-LABlab(59.80, -17.50, -27.11)
CIE-LCHlch(59.80, 32.26, 237.16°)
OKLaboklab(64.62% -0.0746 -0.0759)
OKLCHoklch(64.62% 0.106 225.5)
XYZxyz(22.4867, 27.9055, 53.4813)
Luminance0.2791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339BBF #BF5733
analogous
#33BF9D #339BBF #3355BF
triadic
#339BBF #BF339B #9BBF33
tetradic
#339BBF #9D33BF #BF5733 #55BF33
square
#339BBF #9D33BF #BF5733 #55BF33
split-complementary
#339BBF #BF3355 #BF9D33
monochromatic
#194D5E #26748F #339BBF #5CB5D3 #8CCBE0

Accessibility & contrast

On white

3.19
#339BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#339BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BBF
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339BBF#FFFFFF#000000##000000
##339BBF1.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8798C1
Deuteranopia (green-blind)
#748ABF
Tritanopia (blue-blind)
#00A6A7
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #339bbf;
/* rgb */ color: rgb(51, 155, 191);
/* oklch */ color: oklch(64.6% 0.106 225.5);
Tailwind
colors: {
  custom: {
    50: '#7eb8d2',
    500: '#339bbf',
    950: '#000000',
  },
}
SCSS
$custom: #339bbf;
$custom-light: #7eb8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#339bbf",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 195.429,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64619,
    "c": 0.10647,
    "h": 225.5
  },
  "luminance": 0.27908
}

Semantic roles & 50–950 ramp

primary
#339BBF
secondary
#CB9683
accent
#6E47E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #339BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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