#309FB4#309FB4

#309FB4 is a light, moderate teal. Relative luminance 0.287; OKLCH L 65.0% C 0.101 H 213.2°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#309FB4
RGBrgb(48, 159, 180)
HSLhsl(190, 58%, 45%)
HSVhsv(190, 73%, 71%)
CMYKcmyk(73.3%, 11.7%, 0%, 29.4%)
CIE-LABlab(60.53, -23.57, -19.80)
CIE-LCHlch(60.53, 30.79, 220.03°)
OKLaboklab(65.05% -0.0843 -0.0552)
OKLCHoklch(65.05% 0.101 213.2)
XYZxyz(21.8518, 28.7174, 47.5625)
Luminance0.2872 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309FB4 #B44530
analogous
#30B487 #309FB4 #305DB4
triadic
#309FB4 #B4309F #9FB430
tetradic
#309FB4 #8730B4 #B44530 #5DB430
square
#309FB4 #8730B4 #B44530 #5DB430
split-complementary
#309FB4 #B4305D #B48730
monochromatic
#164A53 #237484 #309FB4 #51BCD1 #81CFDD

Accessibility & contrast

On white

3.11
#309FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.74
#309FB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FB4
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309FB4#FFFFFF#000000##000000
##309FB41.003.116.746.74
#FFFFFF3.111.0021.0021.00
#0000006.7421.001.001.00
##0000006.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F9AB5
Deuteranopia (green-blind)
#7D8CB4
Tritanopia (blue-blind)
#00A7A5
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #309fb4;
/* rgb */ color: rgb(48, 159, 180);
/* oklch */ color: oklch(65.0% 0.101 213.2);
Tailwind
colors: {
  custom: {
    50: '#7cbbca',
    500: '#309fb4',
    950: '#000000',
  },
}
SCSS
$custom: #309fb4;
$custom-light: #7cbbca;
$custom-dark: #000000;
JSON
{
  "hex": "#309fb4",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 180
  },
  "hsl": {
    "h": 189.545,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.65046,
    "c": 0.10073,
    "h": 213.2
  },
  "luminance": 0.2872
}

Semantic roles & 50–950 ramp

primary
#309FB4
secondary
#C68679
accent
#5F47E1
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #309FB4

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

Preview Lab → · Contrast checker → · Palette generator →

#309FB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva