Color

#2d559f

#2d559f
hex#2d559f
rgbrgb(45, 85, 159)
hslhsl(219, 56%, 40%)
oklchoklch(0.461 0.128 261.5)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0956

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f772d

#2d8e9f · #3e2d9f

#9f2d55 · #559f2d

Split-complementary

Open in tool →

#9f3e2d · #8e9f2d

#9f2d8e · #9f772d · #2d9f3e

Contrast

#2d559f as textRatioAAAA largeAAAFix
Aaon white
7.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #4473ca as the text (4.55:1)
  • AAA: use #7497d8 as the text (7.16:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d559f 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

#2d559f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d559f
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 #2d559f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d559f-9ca5c4-df664e-211f2d-e9f0f1?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