#339DC6#339DC6

#339DC6 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.4% C 0.111 H 228.4°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#339DC6
RGBrgb(51, 157, 198)
HSLhsl(197, 59%, 49%)
HSVhsv(197, 74%, 78%)
CMYKcmyk(74.2%, 20.7%, 0%, 22.4%)
CIE-LABlab(60.69, -16.23, -29.67)
CIE-LCHlch(60.69, 33.82, 241.32°)
OKLaboklab(65.42% -0.074 -0.0833)
OKLCHoklch(65.42% 0.111 228.4)
XYZxyz(23.6111, 28.8922, 57.7475)
Luminance0.2889 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339DC6 #C65C33
analogous
#33C6A6 #339DC6 #3354C6
triadic
#339DC6 #C6339D #9DC633
tetradic
#339DC6 #A633C6 #C65C33 #54C633
square
#339DC6 #A633C6 #C65C33 #54C633
split-complementary
#339DC6 #C63354 #C6A633
monochromatic
#1A5065 #267695 #339DC6 #60B5D6 #91CCE3

Accessibility & contrast

On white

3.10
#339DC6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#339DC6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339DC6
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339DC6#FFFFFF#000000##000000
##339DC61.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#889AC8
Deuteranopia (green-blind)
#748CC5
Tritanopia (blue-blind)
#00A9AB
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #339dc6;
/* rgb */ color: rgb(51, 157, 198);
/* oklch */ color: oklch(65.4% 0.111 228.4);
Tailwind
colors: {
  custom: {
    50: '#7fbad7',
    500: '#339dc6',
    950: '#000000',
  },
}
SCSS
$custom: #339dc6;
$custom-light: #7fbad7;
$custom-dark: #000000;
JSON
{
  "hex": "#339dc6",
  "rgb": {
    "r": 51,
    "g": 157,
    "b": 198
  },
  "hsl": {
    "h": 196.735,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65419,
    "c": 0.11141,
    "h": 228.4
  },
  "luminance": 0.28895
}

Semantic roles & 50–950 ramp

primary
#339DC6
secondary
#CD9B87
accent
#7146E2
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #339DC6

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

Preview Lab → · Contrast checker → · Palette generator →

#339DC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva