#309DC9#309DC9

#309DC9 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.115 H 229.8°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#309DC9
RGBrgb(48, 157, 201)
HSLhsl(197, 61%, 49%)
HSVhsv(197, 76%, 79%)
CMYKcmyk(76.1%, 21.9%, 0%, 21.2%)
CIE-LABlab(60.74, -15.58, -31.27)
CIE-LCHlch(60.74, 34.94, 243.52°)
OKLaboklab(65.49% -0.0742 -0.0879)
OKLCHoklch(65.49% 0.115 229.8)
XYZxyz(23.8142, 28.9565, 59.5811)
Luminance0.2896 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309DC9 #C95C30
analogous
#30C9A9 #309DC9 #3051C9
triadic
#309DC9 #C9309D #9DC930
tetradic
#309DC9 #A930C9 #C95C30 #51C930
square
#309DC9 #A930C9 #C95C30 #51C930
split-complementary
#309DC9 #C93051 #C9A930
monochromatic
#185066 #247698 #309DC9 #5EB5D8 #8FCCE4

Accessibility & contrast

On white

3.09
#309DC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.79
#309DC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DC9
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309DC9#FFFFFF#000000##000000
##309DC91.003.096.796.79
#FFFFFF3.091.0021.0021.00
#0000006.7921.001.001.00
##0000006.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#869BCB
Deuteranopia (green-blind)
#728CC8
Tritanopia (blue-blind)
#00A9AC
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #309dc9;
/* rgb */ color: rgb(48, 157, 201);
/* oklch */ color: oklch(65.5% 0.115 229.8);
Tailwind
colors: {
  custom: {
    50: '#7fbad9',
    500: '#309dc9',
    950: '#000000',
  },
}
SCSS
$custom: #309dc9;
$custom-light: #7fbad9;
$custom-dark: #000000;
JSON
{
  "hex": "#309dc9",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 201
  },
  "hsl": {
    "h": 197.255,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65486,
    "c": 0.11506,
    "h": 229.8
  },
  "luminance": 0.28959
}

Semantic roles & 50–950 ramp

primary
#309DC9
secondary
#CF9B86
accent
#7243E5
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #309DC9

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

Preview Lab → · Contrast checker → · Palette generator →

#309DC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva