Color

#2d689f

#2d689f
hex#2d689f
rgbrgb(45, 104, 159)
hslhsl(209, 56%, 40%)
oklchoklch(0.505 0.107 249.4)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1296

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f642d

#2d9f9d · #2d2f9f

#9f2d68 · #689f2d

Split-complementary

Open in tool →

#9f2d2f · #9f9d2d

#9d2d9f · #9f642d · #2f9f2d

Contrast

#2d689f as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #275b8b as the text (7.11:1)
Aaon black
3.59:1failpassfail
  • AA: use #357abb as the text (4.65:1)
  • AAA: use #609bd2 as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d689f 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

#2d689f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d689f
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 #2d689f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d689f-9cacc4-df4e4e-1f212d-e9f1f1?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