Neon Blue Color
Neon Blue is a cyan color with hex code #04D9FF. This page covers its meaning, all color values, harmonies, colors that go with neon blue, shades, tints, similar colors, CSS examples, FAQs, and WCAG contrast ratios.
Neon Blue Color Values
What Does Neon Blue Mean?
Neon Blue belongs to the cyan family of colors. The cyan family covers turquoise, teal, and aqua: blue calmed down with a little green mixed in. Travel sites, spas, and healthcare brands camp here because these hues read as fresh and clean without turning clinical. Neon Blue sits at a mid-lightness, which keeps it readable on both white and black without much fuss.
In the ISCC-NBS color naming system, Neon Blue is classified as a blue (nearest centroid: vivid blue, #00A1C2).
Color Harmonies
Complementary
Analogous
Triadic
Colors That Go With Neon Blue
Neon Blue and #FF2B05 are complements, parked opposite each other on the wheel. Together they hit maximum contrast, so a rough 70/30 split keeps the pairing from shouting.
Analogous neighbors — #05FFA8 and #055DFF, which sit beside neon blue on the wheel. Pairings like this feel calm and settled, which suits backgrounds and gradients.
For an energetic three-color palette, pair neon blue with triadic partners #FF05DA and #DAFF05. All three sit evenly spaced around the wheel, so the scheme stays lively without clashing.
Build and test these combinations in our Color Wheel Tool or check text readability with the Contrast Checker.
Tints and Shades
Tints (lighter)
Shades (darker)
Similar Colors
- Bright Sky Blue —
#02CCFE(Delta E 9) - Aqua Blue —
#02D8E9(Delta E 12) - Scooter —
#2EBFD4(Delta E 13) - Robin's Egg —
#6DEDFD(Delta E 14) - Viking —
#64CCDB(Delta E 15)
CSS Examples
.text { color: #04D9FF; }
.background { background-color: #04D9FF; }
.border { border: 2px solid #04D9FF; }
.shadow { box-shadow: 0 4px 6px #04D9FF40; }WCAG Contrast
Frequently Asked Questions
What is the hex code for neon blue?
Neon Blue has the hex code #04D9FF. In RGB notation it is rgb(4, 217, 255), in HSL it is hsl(189, 100%, 51%), and its OKLCH value is 0.816, 0.145, 216.6.
What does the color neon blue mean?
Cyan-family colors like neon blue carry distinct psychological associations. Neon Blue belongs to the cyan family of colors. The cyan family covers turquoise, teal, and aqua: blue calmed down with a little green mixed in. Travel sites, spas, and healthcare brands camp here because these hues read as fresh and clean without turning clinical. Neon Blue sits at a mid-lightness, which keeps it readable on both white and black without much fuss.
What colors go with neon blue?
Neon Blue has three easy routes: its complement #FF2B05 for punch, its neighbors #05FFA8 and #055DFF for something calmer, or triadic partners #FF05DA and #DAFF05 when you want energy.
Is neon blue a standard web color?
No — Neon Blue is not a CSS keyword. Use its hex value #04D9FF or any RGB/HSL equivalent in your stylesheets.
How do I make neon blue lighter or darker?
To lighten neon blue, add white to create tints; to darken it, add black to create shades. The tints and shades table above shows five computed steps of each, from #D6F9FF (lightest tint) to #00272E (darkest shade).
About Neon Blue
Neon Blue is classified as a Blue in the ISCC-NBS color naming system, within the Cyan hue family. It has The color is recognized by XKCD, meodai.
Use our Color Converter to convert #04D9FF to any other color format, or explore the Color Wheel to find harmonious color combinations.