#339CBF#339CBF

#339CBF is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.106 H 224.6°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#339CBF
RGBrgb(51, 156, 191)
HSLhsl(195, 58%, 47%)
HSVhsv(195, 73%, 75%)
CMYKcmyk(73.3%, 18.3%, 0%, 25.1%)
CIE-LABlab(60.10, -18.03, -26.64)
CIE-LCHlch(60.10, 32.17, 235.91°)
OKLaboklab(64.86% -0.0756 -0.0746)
OKLCHoklch(64.86% 0.106 224.6)
XYZxyz(22.6538, 28.2397, 53.5370)
Luminance0.2824 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339CBF #BF5633
analogous
#33BF9C #339CBF #3356BF
triadic
#339CBF #BF339C #9CBF33
tetradic
#339CBF #9C33BF #BF5633 #56BF33
square
#339CBF #9C33BF #BF5633 #56BF33
split-complementary
#339CBF #BF3356 #BF9C33
monochromatic
#194D5E #26758F #339CBF #5CB6D3 #8CCBE0

Accessibility & contrast

On white

3.16
#339CBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.65
#339CBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CBF
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339CBF#FFFFFF#000000##000000
##339CBF1.003.166.656.65
#FFFFFF3.161.0021.0021.00
#0000006.6521.001.001.00
##0000006.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8999C1
Deuteranopia (green-blind)
#758BBF
Tritanopia (blue-blind)
#00A6A7
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #339cbf;
/* rgb */ color: rgb(51, 156, 191);
/* oklch */ color: oklch(64.9% 0.106 224.6);
Tailwind
colors: {
  custom: {
    50: '#7eb9d2',
    500: '#339cbf',
    950: '#000000',
  },
}
SCSS
$custom: #339cbf;
$custom-light: #7eb9d2;
$custom-dark: #000000;
JSON
{
  "hex": "#339cbf",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 191
  },
  "hsl": {
    "h": 195,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64861,
    "c": 0.10622,
    "h": 224.6
  },
  "luminance": 0.28242
}

Semantic roles & 50–950 ramp

primary
#339CBF
secondary
#CB9583
accent
#6D47E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #339CBF

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

Preview Lab → · Contrast checker → · Palette generator →

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