Color

#51accd

#51accd
hex#51accd
rgbrgb(81, 172, 205)
hslhsl(196, 55%, 56%)
oklchoklch(0.702 0.099 224.7)
Closest name: Frozen Wave (#56acca)Relative luminance 0.3566

Colors that go with #51accd

Charcoal, Terracotta and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd7251

#51cdb0 · #516ecd

#cd51ac · #accd51

Split-complementary

Open in tool →

#cd516e · #cdb051

#b051cd · #cd7251 · #6ecd51

Contrast

#51accd as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #2d7d9a as the text (4.65:1)
  • AAA: use #215d73 as the text (7.3:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
Aaon black
8.13:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51accd 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

#51accd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51accd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #51accd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51accd-9cb5c4-df4e6e-1f232d-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