Color

#1b89bb

#1b89bb
hex#1b89bb
rgbrgb(27, 137, 187)
hslhsl(199, 75%, 42%)
oklchoklch(0.596 0.119 234.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb4e1b

#1bbb9e · #1b38bb

#bb1b89 · #89bb1b

Split-complementary

Open in tool →

#bb1b38 · #bb9e1b

#9e1bbb · #bb4e1b · #38bb1b

Contrast

#1b89bb as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #187caa as the text (4.66:1)
  • AAA: use #125e81 as the text (7.13:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #1f9fdb as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b89bb 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

#1b89bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b89bb
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 #1b89bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b89bb-9cb3c4-df4e66-1f232d-e9f1f0?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