Color

#178dab

#178dab
hex#178dab
rgbrgb(23, 141, 171)
hslhsl(192, 76%, 38%)
oklchoklch(0.597 0.105 220.9)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2217

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab3517

#17ab7e · #1743ab

#ab178d · #8dab17

Split-complementary

Open in tool →

#ab1743 · #ab7e17

#7e17ab · #ab3517 · #43ab17

Contrast

#178dab as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #157e99 as the text (4.69:1)
  • AAA: use #106175 as the text (7.03:1)
  • AA: or shift the background to #1a1a1a (4.5:1)
Aaon black
5.43:1passpassfail
  • AAA: use #1ba3c5 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #178dab as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#178dab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #178dab
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 #178dab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/178dab-a2b5be-df4e77-1f242d-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