#339BBA#339BBA

#339BBA is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.103 H 221.9°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#339BBA
RGBrgb(51, 155, 186)
HSLhsl(194, 57%, 46%)
HSVhsv(194, 73%, 73%)
CMYKcmyk(72.6%, 16.7%, 0%, 27.1%)
CIE-LABlab(59.61, -19.15, -24.59)
CIE-LCHlch(59.61, 31.17, 232.09°)
OKLaboklab(64.4% -0.0765 -0.0688)
OKLCHoklch(64.4% 0.103 221.9)
XYZxyz(21.9458, 27.6891, 50.6328)
Luminance0.2769 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339BBA #BA5233
analogous
#33BA96 #339BBA #3358BA
triadic
#339BBA #BA339B #9BBA33
tetradic
#339BBA #9633BA #BA5233 #58BA33
square
#339BBA #9633BA #BA5233 #58BA33
split-complementary
#339BBA #BA3358 #BA9633
monochromatic
#194B5A #26738A #339BBA #59B6D1 #89CBDF

Accessibility & contrast

On white

3.21
#339BBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.54
#339BBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339BBA
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339BBA#FFFFFF#000000##000000
##339BBA1.003.216.546.54
#FFFFFF3.211.0021.0021.00
#0000006.5421.001.001.00
##0000006.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8997BC
Deuteranopia (green-blind)
#768ABA
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #339bba;
/* rgb */ color: rgb(51, 155, 186);
/* oklch */ color: oklch(64.4% 0.103 221.9);
Tailwind
colors: {
  custom: {
    50: '#7db8ce',
    500: '#339bba',
    950: '#000000',
  },
}
SCSS
$custom: #339bba;
$custom-light: #7db8ce;
$custom-dark: #000000;
JSON
{
  "hex": "#339bba",
  "rgb": {
    "r": 51,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 193.778,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64397,
    "c": 0.10288,
    "h": 221.9
  },
  "luminance": 0.27692
}

Semantic roles & 50–950 ramp

primary
#339BBA
secondary
#C99180
accent
#6B48E0
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #339BBA

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

Preview Lab → · Contrast checker → · Palette generator →

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