Color

#166bda

#166bda
hex#166bda
rgbrgb(22, 107, 218)
hslhsl(214, 82%, 47%)
oklchoklch(0.546 0.187 257.9)
Closest name: royalblue (#4169e1)Relative luminance 0.1575

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da8516

#16cdda · #2316da

#da166b · #6bda16

Split-complementary

Open in tool →

#da2316 · #cdda16

#da16cd · #da8516 · #16da23

Contrast

#166bda as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #1156b0 as the text (7.04:1)
Aaon black
4.15:1failpassfail
  • AA: use #1772e8 as the text (4.61:1)
  • AAA: use #5899ee as the text (7.21:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #166bda as the background.

Brands using this color

Fonts for this mood

#166bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #166bda
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 #166bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/166bda-9ca9c4-df5a4e-1f1f2d-e9f0f1?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