Color

#166eb6

#166eb6
hex#166eb6
rgbrgb(22, 110, 182)
hslhsl(207, 78%, 40%)
oklchoklch(0.527 0.137 249.4)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b65e16

#16b6ae · #161eb6

#b6166e · #6eb616

Split-complementary

Open in tool →

#b6161e · #b6ae16

#ae16b6 · #b65e16 · #1eb616

Contrast

#166eb6 as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #135b96 as the text (7.08:1)
Aaon black
3.94:1failpassfail
  • AA: use #1979c8 as the text (4.61:1)
  • AAA: use #409ce7 as the text (7.13:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #166eb6 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

#166eb6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #166eb6
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 #166eb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/166eb6-9cadc4-df4e53-1f212d-e9f1f1?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