Color

#4778cd

#4778cd
hex#4778cd
rgbrgb(71, 120, 205)
hslhsl(218, 57%, 54%)
oklchoklch(0.58 0.141 260.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd9c47

#47bbcd · #5947cd

#cd4778 · #78cd47

Split-complementary

Open in tool →

#cd5947 · #bbcd47

#cd47bb · #cd9c47 · #47cd59

Contrast

#4778cd as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #4375cb as the text (4.52:1)
  • AAA: use #2c56a0 as the text (7.13:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #7398d9 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 #4778cd 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

#4778cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4778cd
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 #4778cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4778cd-9ca6c4-df644e-201f2d-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