#309FAB#309FAB

#309FAB is a light, moderate teal. Relative luminance 0.284; OKLCH L 64.7% C 0.098 H 205.6°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#309FAB
RGBrgb(48, 159, 171)
HSLhsl(186, 56%, 43%)
HSVhsv(186, 72%, 67%)
CMYKcmyk(71.9%, 7%, 0%, 32.9%)
CIE-LABlab(60.21, -26.41, -15.20)
CIE-LCHlch(60.21, 30.48, 209.93°)
OKLaboklab(64.69% -0.0881 -0.0422)
OKLCHoklch(64.69% 0.098 205.6)
XYZxyz(20.9645, 28.3625, 42.8898)
Luminance0.2837 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309FAB #AB3C30
analogous
#30AB7A #309FAB #3061AB
triadic
#309FAB #AB309F #9FAB30
tetradic
#309FAB #7A30AB #AB3C30 #61AB30
square
#309FAB #7A30AB #AB3C30 #61AB30
split-complementary
#309FAB #AB3061 #AB7A30
monochromatic
#15464B #23737B #309FAB #4CC0CD #7BD1DA

Accessibility & contrast

On white

3.15
#309FAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.67
#309FAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FAB
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309FAB#FFFFFF#000000##000000
##309FAB1.003.156.676.67
#FFFFFF3.151.0021.0021.00
#0000006.6721.001.001.00
##0000006.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9299AC
Deuteranopia (green-blind)
#808CAB
Tritanopia (blue-blind)
#00A6A2
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #309fab;
/* rgb */ color: rgb(48, 159, 171);
/* oklch */ color: oklch(64.7% 0.098 205.6);
Tailwind
colors: {
  custom: {
    50: '#7bbbc4',
    500: '#309fab',
    950: '#000000',
  },
}
SCSS
$custom: #309fab;
$custom-light: #7bbbc4;
$custom-dark: #000000;
JSON
{
  "hex": "#309fab",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 171
  },
  "hsl": {
    "h": 185.854,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.64686,
    "c": 0.09768,
    "h": 205.6
  },
  "luminance": 0.28365
}

Semantic roles & 50–950 ramp

primary
#309FAB
secondary
#C37C74
accent
#5748DF
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1212
muted
#7C8181

Preview Lab

Preview with #309FAB

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

Preview Lab → · Contrast checker → · Palette generator →

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