#308B9B#308B9B

#308B9B is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.087 H 211.5°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#308B9B
RGBrgb(48, 139, 155)
HSLhsl(189, 53%, 40%)
HSVhsv(189, 69%, 61%)
CMYKcmyk(69%, 10.3%, 0%, 39.2%)
CIE-LABlab(53.45, -21.18, -16.33)
CIE-LCHlch(53.45, 26.74, 217.63°)
OKLaboklab(59.04% -0.0741 -0.0454)
OKLCHoklch(59.04% 0.087 211.5)
XYZxyz(16.3654, 21.4583, 34.2834)
Luminance0.2146 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308B9B #9B4030
analogous
#309B76 #308B9B #30569B
triadic
#308B9B #9B308B #8B9B30
tetradic
#308B9B #76309B #9B4030 #569B30
square
#308B9B #76309B #9B4030 #569B30
split-complementary
#308B9B #9B3056 #9B7630
monochromatic
#13373E #22616C #308B9B #43B2C5 #72C5D3

Accessibility & contrast

On white

3.97
#308B9B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.29
#308B9B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308B9B
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308B9B#FFFFFF#000000##000000
##308B9B1.003.975.295.29
#FFFFFF3.971.0021.0021.00
#0000005.2921.001.001.00
##0000005.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E869C
Deuteranopia (green-blind)
#6F7B9B
Tritanopia (blue-blind)
#009290
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #308b9b;
/* rgb */ color: rgb(48, 139, 155);
/* oklch */ color: oklch(59.0% 0.087 211.5);
Tailwind
colors: {
  custom: {
    50: '#77adb8',
    500: '#308b9b',
    950: '#000000',
  },
}
SCSS
$custom: #308b9b;
$custom-light: #77adb8;
$custom-dark: #000000;
JSON
{
  "hex": "#308b9b",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 155
  },
  "hsl": {
    "h": 188.972,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.5904,
    "c": 0.08686,
    "h": 211.5
  },
  "luminance": 0.2146
}

Semantic roles & 50–950 ramp

primary
#308B9B
secondary
#BB786C
accent
#614CDC
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#0A1011
muted
#7C7F80

Preview Lab

Preview with #308B9B

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

Preview Lab → · Contrast checker → · Palette generator →

#308B9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva