Color

#05d1ff

#05d1ff
hex#05d1ff
rgbrgb(5, 209, 255)
hslhsl(191, 100%, 51%)
oklchoklch(0.797 0.146 221.4)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5285

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff3305

#05ffb0 · #0554ff

#ff05d1 · #d1ff05

Split-complementary

Open in tool →

#ff0554 · #ffb005

#b005ff · #ff3305 · #54ff05

Contrast

#05d1ff as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #00819e as the text (4.53:1)
  • AAA: use #006075 as the text (7.17:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.27:1)
Aaon black
11.57:1passpasspassPasses 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 #05d1ff as the background.

Brands using this color

Fonts for this mood

#05d1ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05d1ff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #05d1ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05d1ff-a2b6be-df4e7a-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