#309EBD#309EBD

#309EBD is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.106 H 221.0°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#309EBD
RGBrgb(48, 158, 189)
HSLhsl(193, 59%, 46%)
HSVhsv(193, 75%, 74%)
CMYKcmyk(74.6%, 16.4%, 0%, 25.9%)
CIE-LABlab(60.56, -20.13, -24.82)
CIE-LCHlch(60.56, 31.95, 230.95°)
OKLaboklab(65.18% -0.0797 -0.0694)
OKLCHoklch(65.18% 0.106 221)
XYZxyz(22.6273, 28.7535, 52.4917)
Luminance0.2876 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309EBD #BD4F30
analogous
#30BD96 #309EBD #3058BD
triadic
#309EBD #BD309E #9EBD30
tetradic
#309EBD #9630BD #BD4F30 #58BD30
square
#309EBD #9630BD #BD4F30 #58BD30
split-complementary
#309EBD #BD3058 #BD9630
monochromatic
#174C5B #24758C #309EBD #56B8D4 #87CDE0

Accessibility & contrast

On white

3.11
#309EBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.75
#309EBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EBD
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309EBD#FFFFFF#000000##000000
##309EBD1.003.116.756.75
#FFFFFF3.111.0021.0021.00
#0000006.7521.001.001.00
##0000006.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B9ABF
Deuteranopia (green-blind)
#788CBD
Tritanopia (blue-blind)
#00A8A8
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #309ebd;
/* rgb */ color: rgb(48, 158, 189);
/* oklch */ color: oklch(65.2% 0.106 221.0);
Tailwind
colors: {
  custom: {
    50: '#7dbad1',
    500: '#309ebd',
    950: '#000000',
  },
}
SCSS
$custom: #309ebd;
$custom-light: #7dbad1;
$custom-dark: #000000;
JSON
{
  "hex": "#309ebd",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 189
  },
  "hsl": {
    "h": 193.191,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.65184,
    "c": 0.10568,
    "h": 221
  },
  "luminance": 0.28756
}

Semantic roles & 50–950 ramp

primary
#309EBD
secondary
#CA8F7F
accent
#6845E3
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #309EBD

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

Preview Lab → · Contrast checker → · Palette generator →

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