Color

#1bbafe

#1bbafe
hex#1bbafe
rgbrgb(27, 186, 254)
hslhsl(198, 99%, 55%)
oklchoklch(0.745 0.153 234.7)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4251

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe5f1b

#1bfed0 · #1b48fe

#fe1bba · #bafe1b

Split-complementary

Open in tool →

#fe1b48 · #fed01b

#d01bfe · #fe5f1b · #48fe1b

Contrast

#1bbafe as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #017db2 as the text (4.59:1)
  • AAA: use #015d84 as the text (7.24:1)
  • AA: or shift the background to #424242 (4.55:1)
  • AAA: or shift the background to #242424 (7.02:1)
Aaon black
9.5:1passpasspassPasses 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 #1bbafe as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1bbafe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1bbafe
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 #1bbafe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bbafe-9cb3c4-df4e69-1f232d-e9f1f0?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