Color

#1e99ae

#1e99ae
hex#1e99ae
rgbrgb(30, 153, 174)
hslhsl(189, 71%, 40%)
oklchoklch(0.63 0.104 212.7)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2611

Colors that go with #1e99ae

Charcoal, Copper and Orange Red 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.

Real palettes that use #1e99ae

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae331e

#1eae7c · #1e50ae

#ae1e99 · #99ae1e

Split-complementary

Open in tool →

#ae1e50 · #ae7c1e

#7c1eae · #ae331e · #50ae1e

Contrast

#1e99ae as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #198294 as the text (4.5:1)
  • AAA: use #125f6d as the text (7.28:1)
  • AA: or shift the background to #242424 (4.6:1)
Aaon black
6.22:1passpassfail
  • AAA: use #20a4bc as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e99ae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1e99ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e99ae
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 #1e99ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e99ae-a2b7be-df4e7e-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