Color

#289dbd

#289dbd
hex#289dbd
rgbrgb(40, 157, 189)
hslhsl(193, 65%, 45%)
oklchoklch(0.648 0.109 221.1)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2824

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd4828

#28bd93 · #2852bd

#bd289d · #9dbd28

Split-complementary

Open in tool →

#bd2852 · #bd9328

#9328bd · #bd4828 · #52bd28

Contrast

#289dbd as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #207e97 as the text (4.67:1)
  • AAA: use #185e72 as the text (7.28:1)
  • AA: or shift the background to #292929 (4.61:1)
Aaon black
6.65:1passpassfail
  • AAA: use #2aa4c6 as the text (7.22:1)

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

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

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

tool url/palettes/new/289dbd-a2b5be-df4e75-1f242d-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