Color

#05d1fa

#05d1fa
hex#05d1fa
rgbrgb(5, 209, 250)
hslhsl(190, 96%, 50%)
oklchoklch(0.795 0.143 218.9)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5254

Colors that go with #05d1fa

Charcoal, Crimson and Dodger Blue 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 →

#fa2e05

#05faa8 · #0557fa

#fa05d1 · #d1fa05

Split-complementary

Open in tool →

#fa0557 · #faa805

#a805fa · #fa2e05 · #57fa05

Contrast

#05d1fa as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #037d96 as the text (4.8:1)
  • AAA: use #026073 as the text (7.18:1)
  • AA: or shift the background to #4d4d4d (4.63:1)
  • AAA: or shift the background to #303030 (7.23:1)
Aaon black
11.51:1passpasspassPasses 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 #05d1fa as the background.

Brands using this color

Fonts for this mood

#05d1fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05d1fa
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 #05d1fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05d1fa-a2b6be-df4e7c-1f252d-e9f1ef?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