Color

#289bbd

#289bbd
hex#289bbd
rgbrgb(40, 155, 189)
hslhsl(194, 65%, 45%)
oklchoklch(0.643 0.109 222.9)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2757

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd4b28

#28bd96 · #2850bd

#bd289b · #9bbd28

Split-complementary

Open in tool →

#bd2850 · #bd9628

#9628bd · #bd4b28 · #50bd28

Contrast

#289bbd as textRatioAAAA largeAAAFix
Aaon white
3.22:1failpassfail
  • AA: use #217f9c as the text (4.58:1)
  • AAA: use #196076 as the text (7.06:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.51:1passpassfail
  • AAA: use #2aa1c6 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289bbd 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

#289bbd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #289bbd
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 #289bbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289bbd-9cb6c4-df4e72-1f242d-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