#339BB6#339BB6

#339BB6 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.2% C 0.100 H 218.9°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#339BB6
RGBrgb(51, 155, 182)
HSLhsl(192, 56%, 46%)
HSVhsv(192, 72%, 71%)
CMYKcmyk(72%, 14.8%, 0%, 28.6%)
CIE-LABlab(59.45, -20.46, -22.57)
CIE-LCHlch(59.45, 30.46, 227.81°)
OKLaboklab(64.22% -0.0781 -0.063)
OKLCHoklch(64.22% 0.1 218.9)
XYZxyz(21.5266, 27.5214, 48.4245)
Luminance0.2752 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339BB6 #B64E33
analogous
#33B68F #339BB6 #335AB6
triadic
#339BB6 #B6339B #9BB633
tetradic
#339BB6 #8F33B6 #B64E33 #5AB633
square
#339BB6 #8F33B6 #B64E33 #5AB633
split-complementary
#339BB6 #B6335A #B68F33
monochromatic
#184A56 #267286 #339BB6 #56B7D0 #86CBDD

Accessibility & contrast

On white

3.23
#339BB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#339BB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BB6
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339BB6#FFFFFF#000000##000000
##339BB61.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A97B7
Deuteranopia (green-blind)
#7889B6
Tritanopia (blue-blind)
#00A4A4
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #339bb6;
/* rgb */ color: rgb(51, 155, 182);
/* oklch */ color: oklch(64.2% 0.100 218.9);
Tailwind
colors: {
  custom: {
    50: '#7db8cc',
    500: '#339bb6',
    950: '#000000',
  },
}
SCSS
$custom: #339bb6;
$custom-light: #7db8cc;
$custom-dark: #000000;
JSON
{
  "hex": "#339bb6",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 182
  },
  "hsl": {
    "h": 192.366,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.64224,
    "c": 0.10034,
    "h": 218.9
  },
  "luminance": 0.27524
}

Semantic roles & 50–950 ramp

primary
#339BB6
secondary
#C78D7E
accent
#6748E0
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #339BB6

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

Preview Lab → · Contrast checker → · Palette generator →

#339BB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva