#30B3DB#30B3DB

#30B3DB is a light, vivid cyan. Relative luminance 0.380; OKLCH L 71.5% C 0.122 H 223.6°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX#30B3DB
RGBrgb(48, 179, 219)
HSLhsl(194, 70%, 52%)
HSVhsv(194, 78%, 86%)
CMYKcmyk(78.1%, 18.3%, 0%, 14.1%)
CIE-LABlab(68.01, -21.21, -30.01)
CIE-LCHlch(68.01, 36.74, 234.75°)
OKLaboklab(71.54% -0.0884 -0.0841)
OKLCHoklch(71.54% 0.122 223.6)
XYZxyz(30.1199, 37.9793, 72.7474)
Luminance0.3798 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#30B3DB #DB5830
analogous
#30DBAD #30B3DB #305EDB
triadic
#30B3DB #DB30B3 #B3DB30
tetradic
#30B3DB #AD30DB #DB5830 #5EDB30
square
#30B3DB #AD30DB #DB5830 #5EDB30
split-complementary
#30B3DB #DB305E #DBAD30
monochromatic
#15637B #1E8DAF #30B3DB #64C6E4 #98D9ED

Accessibility & contrast

On white

2.44
#30B3DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.60
#30B3DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #30B3DB
8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##30B3DB#FFFFFF#000000##000000
##30B3DB1.002.448.608.60
#FFFFFF2.441.0021.0021.00
#0000008.6021.001.001.00
##0000008.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CAFDD
Deuteranopia (green-blind)
#869FDB
Tritanopia (blue-blind)
#00BFC0
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #30b3db;
/* rgb */ color: rgb(48, 179, 219);
/* oklch */ color: oklch(71.5% 0.122 223.6);
Tailwind
colors: {
  custom: {
    50: '#83cae6',
    500: '#30b3db',
    950: '#000000',
  },
}
SCSS
$custom: #30b3db;
$custom-light: #83cae6;
$custom-dark: #000000;
JSON
{
  "hex": "#30b3db",
  "rgb": {
    "r": 48,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 194.035,
    "s": 70.37,
    "l": 52.353
  },
  "oklch": {
    "l": 0.7154,
    "c": 0.12203,
    "h": 223.6
  },
  "luminance": 0.37983
}

Semantic roles & 50–950 ramp

primary
#30B3DB
secondary
#D9A08E
accent
#643BED
background
#F8FCFE
surface
#F0F8FC
border
#CBD1D5
text
#0C1316
muted
#7D8284

Preview Lab

Preview with #30B3DB

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

Preview Lab → · Contrast checker → · Palette generator →

#30B3DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva