#30B0DB#30B0DB

#30B0DB is a light, vivid cyan. Relative luminance 0.368; OKLCH L 70.8% C 0.123 H 225.8°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#30B0DB
RGBrgb(48, 176, 219)
HSLhsl(195, 70%, 52%)
HSVhsv(195, 78%, 86%)
CMYKcmyk(78.1%, 19.6%, 0%, 14.1%)
CIE-LABlab(67.12, -19.65, -31.38)
CIE-LCHlch(67.12, 37.02, 237.95°)
OKLaboklab(70.83% -0.0856 -0.0881)
OKLCHoklch(70.83% 0.123 225.8)
XYZxyz(29.5251, 36.7899, 72.5491)
Luminance0.3679 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#30B0DB #DB5B30
analogous
#30DBB1 #30B0DB #305ADB
triadic
#30B0DB #DB30B0 #B0DB30
tetradic
#30B0DB #B130DB #DB5B30 #5ADB30
square
#30B0DB #B130DB #DB5B30 #5ADB30
split-complementary
#30B0DB #DB305A #DBB130
monochromatic
#15627B #1E8BAF #30B0DB #64C4E4 #98D8ED

Accessibility & contrast

On white

2.51
#30B0DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.36
#30B0DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #30B0DB
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##30B0DB#FFFFFF#000000##000000
##30B0DB1.002.518.368.36
#FFFFFF2.511.0021.0021.00
#0000008.3621.001.001.00
##0000008.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#99ACDD
Deuteranopia (green-blind)
#829CDA
Tritanopia (blue-blind)
#00BDBE
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #30b0db;
/* rgb */ color: rgb(48, 176, 219);
/* oklch */ color: oklch(70.8% 0.123 225.8);
Tailwind
colors: {
  custom: {
    50: '#83c7e6',
    500: '#30b0db',
    950: '#000000',
  },
}
SCSS
$custom: #30b0db;
$custom-light: #83c7e6;
$custom-dark: #000000;
JSON
{
  "hex": "#30b0db",
  "rgb": {
    "r": 48,
    "g": 176,
    "b": 219
  },
  "hsl": {
    "h": 195.088,
    "s": 70.37,
    "l": 52.353
  },
  "oklch": {
    "l": 0.7083,
    "c": 0.12283,
    "h": 225.8
  },
  "luminance": 0.36794
}

Semantic roles & 50–950 ramp

primary
#30B0DB
secondary
#D9A18E
accent
#683BED
background
#F8FCFE
surface
#F0F8FC
border
#CBD1D5
text
#0C1316
muted
#7D8284

Preview Lab

Preview with #30B0DB

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

Preview Lab → · Contrast checker → · Palette generator →

#30B0DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva