Color

#289faf

#289faf
hex#289faf
rgbrgb(40, 159, 175)
hslhsl(187, 63%, 42%)
oklchoklch(0.647 0.102 208.6)
Closest name: Baltic (#279d9f)Relative luminance 0.2834

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af3728

#28af7b · #285baf

#af289f · #9faf28

Split-complementary

Open in tool →

#af285b · #af7b28

#7b28af · #af3728 · #5baf28

Contrast

#289faf as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #20818d as the text (4.58:1)
  • AAA: use #185f68 as the text (7.3:1)
  • AA: or shift the background to #292929 (4.62:1)
Aaon black
6.67:1passpassfail
  • AAA: use #2aa6b7 as the text (7.24:1)

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

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

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

tool url/palettes/new/289faf-a2b8be-df4e83-1f262d-e9f1ee?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