#309EC9#309EC9

#309EC9 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.115 H 229.0°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#309EC9
RGBrgb(48, 158, 201)
HSLhsl(197, 61%, 49%)
HSVhsv(197, 76%, 79%)
CMYKcmyk(76.1%, 21.4%, 0%, 21.2%)
CIE-LABlab(61.04, -16.12, -30.81)
CIE-LCHlch(61.04, 34.77, 242.38°)
OKLaboklab(65.72% -0.0752 -0.0866)
OKLCHoklch(65.72% 0.115 229)
XYZxyz(23.9841, 29.2963, 59.6377)
Luminance0.2930 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309EC9 #C95B30
analogous
#30C9A8 #309EC9 #3051C9
triadic
#309EC9 #C9309E #9EC930
tetradic
#309EC9 #A830C9 #C95B30 #51C930
square
#309EC9 #A830C9 #C95B30 #51C930
split-complementary
#309EC9 #C93051 #C9A830
monochromatic
#185066 #247798 #309EC9 #5EB6D8 #8FCCE4

Accessibility & contrast

On white

3.06
#309EC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.86
#309EC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EC9
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309EC9#FFFFFF#000000##000000
##309EC91.003.066.866.86
#FFFFFF3.061.0021.0021.00
#0000006.8621.001.001.00
##0000006.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#889CCB
Deuteranopia (green-blind)
#738DC8
Tritanopia (blue-blind)
#00AAAC
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #309ec9;
/* rgb */ color: rgb(48, 158, 201);
/* oklch */ color: oklch(65.7% 0.115 229.0);
Tailwind
colors: {
  custom: {
    50: '#7fbad9',
    500: '#309ec9',
    950: '#000000',
  },
}
SCSS
$custom: #309ec9;
$custom-light: #7fbad9;
$custom-dark: #000000;
JSON
{
  "hex": "#309ec9",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 196.863,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65725,
    "c": 0.11466,
    "h": 229
  },
  "luminance": 0.29299
}

Semantic roles & 50–950 ramp

primary
#309EC9
secondary
#CF9A86
accent
#7143E5
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #309EC9

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

Preview Lab → · Contrast checker → · Palette generator →

#309EC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva