Color

#05d9fa

#05d9fa
hex#05d9fa
rgbrgb(5, 217, 250)
hslhsl(188, 96%, 50%)
oklchoklch(0.814 0.143 213.9)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5656

Colors that go with #05d9fa

Charcoal, Dodger Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fa2605

#05faa0 · #055ffa

#fa05d9 · #d9fa05

Split-complementary

Open in tool →

#fa055f · #faa005

#a005fa · #fa2605 · #5ffa05

Contrast

#05d9fa as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #038296 as the text (4.53:1)
  • AAA: use #02606e as the text (7.24:1)
  • AA: or shift the background to #525252 (4.58:1)
  • AAA: or shift the background to #363636 (7.08:1)
Aaon black
12.31:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05d9fa as the background.

Brands using this color

Fonts for this mood

#05d9fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05d9fa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #05d9fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05d9fa-a2b7be-df4e81-1f252d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md