#309CC9#309CC9

#309CC9 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.2% C 0.115 H 230.6°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#309CC9
RGBrgb(48, 156, 201)
HSLhsl(198, 61%, 49%)
HSVhsv(198, 76%, 79%)
CMYKcmyk(76.1%, 22.4%, 0%, 21.2%)
CIE-LABlab(60.44, -15.03, -31.73)
CIE-LCHlch(60.44, 35.12, 244.65°)
OKLaboklab(65.25% -0.0733 -0.0892)
OKLCHoklch(65.25% 0.115 230.6)
XYZxyz(23.6457, 28.6195, 59.5249)
Luminance0.2862 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309CC9 #C95D30
analogous
#30C9AA #309CC9 #3050C9
triadic
#309CC9 #C9309C #9CC930
tetradic
#309CC9 #AA30C9 #C95D30 #50C930
square
#309CC9 #AA30C9 #C95D30 #50C930
split-complementary
#309CC9 #C93050 #C9AA30
monochromatic
#184F66 #247698 #309CC9 #5EB4D8 #8FCBE4

Accessibility & contrast

On white

3.12
#309CC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.72
#309CC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC9
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309CC9#FFFFFF#000000##000000
##309CC91.003.126.726.72
#FFFFFF3.121.0021.0021.00
#0000006.7221.001.001.00
##0000006.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#859ACB
Deuteranopia (green-blind)
#718BC8
Tritanopia (blue-blind)
#00A8AB
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #309cc9;
/* rgb */ color: rgb(48, 156, 201);
/* oklch */ color: oklch(65.2% 0.115 230.6);
Tailwind
colors: {
  custom: {
    50: '#7fb9d9',
    500: '#309cc9',
    950: '#000000',
  },
}
SCSS
$custom: #309cc9;
$custom-light: #7fb9d9;
$custom-dark: #000000;
JSON
{
  "hex": "#309cc9",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 201
  },
  "hsl": {
    "h": 197.647,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65248,
    "c": 0.11548,
    "h": 230.6
  },
  "luminance": 0.28622
}

Semantic roles & 50–950 ramp

primary
#309CC9
secondary
#CF9B86
accent
#7343E5
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #309CC9

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

Preview Lab → · Contrast checker → · Palette generator →

#309CC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva