#339FBF#339FBF

#339FBF is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.6% C 0.106 H 221.9°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX#339FBF
RGBrgb(51, 159, 191)
HSLhsl(194, 58%, 47%)
HSVhsv(194, 73%, 75%)
CMYKcmyk(73.3%, 16.8%, 0%, 25.1%)
CIE-LABlab(61.01, -19.62, -25.25)
CIE-LCHlch(61.01, 31.98, 232.14°)
OKLaboklab(65.59% -0.0786 -0.0706)
OKLCHoklch(65.59% 0.106 221.9)
XYZxyz(23.1634, 29.2590, 53.7069)
Luminance0.2926 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339FBF #BF5333
analogous
#33BF99 #339FBF #3359BF
triadic
#339FBF #BF339F #9FBF33
tetradic
#339FBF #9933BF #BF5333 #59BF33
square
#339FBF #9933BF #BF5333 #59BF33
split-complementary
#339FBF #BF3359 #BF9933
monochromatic
#194F5E #26778F #339FBF #5CB8D3 #8CCDE0

Accessibility & contrast

On white

3.06
#339FBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.85
#339FBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339FBF
6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339FBF#FFFFFF#000000##000000
##339FBF1.003.066.856.85
#FFFFFF3.061.0021.0021.00
#0000006.8521.001.001.00
##0000006.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C9BC1
Deuteranopia (green-blind)
#798DBF
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #339fbf;
/* rgb */ color: rgb(51, 159, 191);
/* oklch */ color: oklch(65.6% 0.106 221.9);
Tailwind
colors: {
  custom: {
    50: '#7ebbd2',
    500: '#339fbf',
    950: '#000000',
  },
}
SCSS
$custom: #339fbf;
$custom-light: #7ebbd2;
$custom-dark: #000000;
JSON
{
  "hex": "#339fbf",
  "rgb": {
    "r": 51,
    "g": 159,
    "b": 191
  },
  "hsl": {
    "h": 193.714,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.65586,
    "c": 0.10564,
    "h": 221.9
  },
  "luminance": 0.29262
}

Semantic roles & 50–950 ramp

primary
#339FBF
secondary
#CB9483
accent
#6A47E1
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #339FBF

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

Preview Lab → · Contrast checker → · Palette generator →

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