#309B8B#309B8B

#309B8B is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.5% C 0.098 H 180.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#309B8B
RGBrgb(48, 155, 139)
HSLhsl(171, 53%, 40%)
HSVhsv(171, 69%, 61%)
CMYKcmyk(69%, 0%, 10.3%, 39.2%)
CIE-LABlab(57.97, -33.87, -0.39)
CIE-LCHlch(57.97, 33.87, 180.67°)
OKLaboklab(62.54% -0.0984 -0.0016)
OKLCHoklch(62.54% 0.098 180.9)
XYZxyz(17.5982, 25.9332, 28.4992)
Luminance0.2594 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#309B8B #9B3040
analogous
#309B56 #309B8B #30769B
triadic
#309B8B #8B309B #9B8B30
tetradic
#309B8B #56309B #9B3040 #769B30
square
#309B8B #56309B #9B3040 #769B30
split-complementary
#309B8B #9B3076 #9B5630
monochromatic
#133E37 #226C61 #309B8B #43C5B2 #72D3C5

Accessibility & contrast

On white

3.39
#309B8B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#309B8B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B8B
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##309B8B#FFFFFF#000000##000000
##309B8B1.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#94928A
Deuteranopia (green-blind)
#85878C
Tritanopia (blue-blind)
#009E96
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #309b8b;
/* rgb */ color: rgb(48, 155, 139);
/* oklch */ color: oklch(62.5% 0.098 180.9);
Tailwind
colors: {
  custom: {
    50: '#77b9ac',
    500: '#309b8b',
    950: '#000000',
  },
}
SCSS
$custom: #309b8b;
$custom-light: #77b9ac;
$custom-dark: #000000;
JSON
{
  "hex": "#309b8b",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 139
  },
  "hsl": {
    "h": 171.028,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62539,
    "c": 0.09842,
    "h": 180.9
  },
  "luminance": 0.25935
}

Semantic roles & 50–950 ramp

primary
#309B8B
secondary
#BB6C78
accent
#4C61DC
background
#F7FBFA
surface
#EEF6F4
border
#C9D0CE
text
#0A1110
muted
#7C807F

Preview Lab

Preview with #309B8B

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

Preview Lab → · Contrast checker → · Palette generator →

#309B8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva