Color

#45a4ed

#45a4ed
hex#45a4ed
rgbrgb(69, 164, 237)
hslhsl(206, 82%, 60%)
oklchoklch(0.695 0.139 245.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3393

Colors that go with #45a4ed

Charcoal, Medium Sea Green and Peru 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 →

#ed8e45

#45ede1 · #4551ed

#ed45a4 · #a4ed45

Split-complementary

Open in tool →

#ed4551 · #ede145

#e145ed · #ed8e45 · #51ed45

Contrast

#45a4ed as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #147ac8 as the text (4.52:1)
  • AAA: use #0f5b95 as the text (7.12:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.11:1)
Aaon black
7.79:1passpasspassPasses 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 #45a4ed 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

#45a4ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45a4ed
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 #45a4ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a4ed-9caec4-df4e56-1f212d-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