#309EBF#309EBF

#309EBF is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.3% C 0.107 H 222.5°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#309EBF
RGBrgb(48, 158, 191)
HSLhsl(194, 60%, 47%)
HSVhsv(194, 75%, 75%)
CMYKcmyk(74.9%, 17.3%, 0%, 25.1%)
CIE-LABlab(60.64, -19.47, -25.82)
CIE-LCHlch(60.64, 32.34, 232.98°)
OKLaboklab(65.27% -0.0789 -0.0723)
OKLCHoklch(65.27% 0.107 222.5)
XYZxyz(22.8458, 28.8410, 53.6429)
Luminance0.2884 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309EBF #BF5130
analogous
#30BF99 #309EBF #3057BF
triadic
#309EBF #BF309E #9EBF30
tetradic
#309EBF #9930BF #BF5130 #57BF30
square
#309EBF #9930BF #BF5130 #57BF30
split-complementary
#309EBF #BF3057 #BF9930
monochromatic
#174D5D #24768E #309EBF #57B8D5 #88CDE1

Accessibility & contrast

On white

3.10
#309EBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.77
#309EBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EBF
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309EBF#FFFFFF#000000##000000
##309EBF1.003.106.776.77
#FFFFFF3.101.0021.0021.00
#0000006.7721.001.001.00
##0000006.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B9AC1
Deuteranopia (green-blind)
#788CBF
Tritanopia (blue-blind)
#00A8A9
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #309ebf;
/* rgb */ color: rgb(48, 158, 191);
/* oklch */ color: oklch(65.3% 0.107 222.5);
Tailwind
colors: {
  custom: {
    50: '#7dbad2',
    500: '#309ebf',
    950: '#000000',
  },
}
SCSS
$custom: #309ebf;
$custom-light: #7dbad2;
$custom-dark: #000000;
JSON
{
  "hex": "#309ebf",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 191
  },
  "hsl": {
    "h": 193.846,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.65272,
    "c": 0.10701,
    "h": 222.5
  },
  "luminance": 0.28844
}

Semantic roles & 50–950 ramp

primary
#309EBF
secondary
#CB9180
accent
#6945E3
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #309EBF

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

Preview Lab → · Contrast checker → · Palette generator →

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