#309FC8#309FC8

#309FC8 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.9% C 0.113 H 227.6°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX#309FC8
RGBrgb(48, 159, 200)
HSLhsl(196, 61%, 49%)
HSVhsv(196, 76%, 78%)
CMYKcmyk(76%, 20.5%, 0%, 21.6%)
CIE-LABlab(61.30, -17.00, -29.85)
CIE-LCHlch(61.30, 34.35, 240.34°)
OKLaboklab(65.92% -0.0765 -0.0838)
OKLCHoklch(65.92% 0.113 227.6)
XYZxyz(24.0381, 29.5919, 59.0773)
Luminance0.2959 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309FC8 #C85930
analogous
#30C8A5 #309FC8 #3053C8
triadic
#309FC8 #C8309F #9FC830
tetradic
#309FC8 #A530C8 #C85930 #53C830
square
#309FC8 #A530C8 #C85930 #53C830
split-complementary
#309FC8 #C83053 #C8A530
monochromatic
#185165 #247897 #309FC8 #5DB7D8 #8ECDE4

Accessibility & contrast

On white

3.04
#309FC8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.92
#309FC8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FC8
6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309FC8#FFFFFF#000000##000000
##309FC81.003.046.926.92
#FFFFFF3.041.0021.0021.00
#0000006.9221.001.001.00
##0000006.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#899CCA
Deuteranopia (green-blind)
#758EC7
Tritanopia (blue-blind)
#00ABAD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #309fc8;
/* rgb */ color: rgb(48, 159, 200);
/* oklch */ color: oklch(65.9% 0.113 227.6);
Tailwind
colors: {
  custom: {
    50: '#7fbbd8',
    500: '#309fc8',
    950: '#000000',
  },
}
SCSS
$custom: #309fc8;
$custom-light: #7fbbd8;
$custom-dark: #000000;
JSON
{
  "hex": "#309fc8",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 200
  },
  "hsl": {
    "h": 196.184,
    "s": 61.29,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65918,
    "c": 0.11347,
    "h": 227.6
  },
  "luminance": 0.29595
}

Semantic roles & 50–950 ramp

primary
#309FC8
secondary
#CE9985
accent
#6F43E4
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #309FC8

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

Preview Lab → · Contrast checker → · Palette generator →

#309FC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva