Color

#1e88ae

#1e88ae
hex#1e88ae
rgbrgb(30, 136, 174)
hslhsl(196, 71%, 40%)
oklchoklch(0.587 0.107 228.1)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2094

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae441e

#1eae8d · #1e3fae

#ae1e88 · #88ae1e

Split-complementary

Open in tool →

#ae1e3f · #ae8d1e

#8d1eae · #ae441e · #3fae1e

Contrast

#1e88ae as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #1b7ea1 as the text (4.62:1)
  • AAA: use #155f7a as the text (7.12:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #23a3d1 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e88ae as the background.

Brands using this color

Fonts for this mood

#1e88ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e88ae
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 #1e88ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e88ae-9cb5c4-df4e6e-1f232d-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