Color

#188bb9

#188bb9
hex#188bb9
rgbrgb(24, 139, 185)
hslhsl(197, 77%, 41%)
oklchoklch(0.599 0.116 231.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2216

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b94618

#18b996 · #183bb9

#b9188b · #8bb918

Split-complementary

Open in tool →

#b9183b · #b99618

#9618b9 · #b94618 · #3bb918

Contrast

#188bb9 as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #167ea7 as the text (4.59:1)
  • AAA: use #105f7e as the text (7.09:1)
  • AA: or shift the background to #1a1a1a (4.5:1)
Aaon black
5.43:1passpassfail
  • AAA: use #1ca0d4 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #188bb9 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

#188bb9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #188bb9
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 #188bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/188bb9-9cb4c4-df4e6b-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