Color

#188fbf

#188fbf
hex#188fbf
rgbrgb(24, 143, 191)
hslhsl(197, 78%, 42%)
oklchoklch(0.612 0.12 232.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.236

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf4718

#18bf9a · #183cbf

#bf188f · #8fbf18

Split-complementary

Open in tool →

#bf183c · #bf9a18

#9a18bf · #bf4718 · #3cbf18

Contrast

#188fbf as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #157ea8 as the text (4.58:1)
  • AAA: use #0f5c7b as the text (7.4:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.72:1passpassfail
  • AAA: use #1aa0d5 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 #188fbf 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

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

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

tool url/palettes/new/188fbf-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