#309ABE#309ABE

#309ABE is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.107 H 225.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#309ABE
RGBrgb(48, 154, 190)
HSLhsl(195, 60%, 47%)
HSVhsv(195, 75%, 75%)
CMYKcmyk(74.7%, 18.9%, 0%, 25.5%)
CIE-LABlab(59.39, -17.67, -27.18)
CIE-LCHlch(59.39, 32.42, 236.97°)
OKLaboklab(64.26% -0.0754 -0.0762)
OKLCHoklch(64.26% 0.107 225.3)
XYZxyz(22.0650, 27.4547, 52.8416)
Luminance0.2746 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309ABE #BE5430
analogous
#30BE9B #309ABE #3053BE
triadic
#309ABE #BE309A #9ABE30
tetradic
#309ABE #9B30BE #BE5430 #53BE30
square
#309ABE #9B30BE #BE5430 #53BE30
split-complementary
#309ABE #BE3053 #BE9B30
monochromatic
#174B5C #24728D #309ABE #57B5D4 #88CAE1

Accessibility & contrast

On white

3.24
#309ABE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#309ABE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309ABE
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309ABE#FFFFFF#000000##000000
##309ABE1.003.246.496.49
#FFFFFF3.241.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8697C0
Deuteranopia (green-blind)
#7389BE
Tritanopia (blue-blind)
#00A5A6
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #309abe;
/* rgb */ color: rgb(48, 154, 190);
/* oklch */ color: oklch(64.3% 0.107 225.3);
Tailwind
colors: {
  custom: {
    50: '#7db7d1',
    500: '#309abe',
    950: '#000000',
  },
}
SCSS
$custom: #309abe;
$custom-light: #7db7d1;
$custom-dark: #000000;
JSON
{
  "hex": "#309abe",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 190
  },
  "hsl": {
    "h": 195.211,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.64258,
    "c": 0.10718,
    "h": 225.3
  },
  "luminance": 0.27457
}

Semantic roles & 50–950 ramp

primary
#309ABE
secondary
#CB927F
accent
#6D45E3
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #309ABE

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

Preview Lab → · Contrast checker → · Palette generator →

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