Color

#45b2ed

#45b2ed
hex#45b2ed
rgbrgb(69, 178, 237)
hslhsl(201, 82%, 60%)
oklchoklch(0.726 0.13 236.4)
Closest name: Cerulean (#55aaee)Relative luminance 0.3922

Colors that go with #45b2ed

Charcoal, Dark Orange and Midnight Blue 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 →

#ed8045

#45edd4 · #455eed

#ed45b2 · #b2ed45

Split-complementary

Open in tool →

#ed455e · #edd445

#d445ed · #ed8045 · #5eed45

Contrast

#45b2ed as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #127cb5 as the text (4.59:1)
  • AAA: use #0d5c87 as the text (7.25:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.18:1)
Aaon black
8.84:1passpasspassPasses 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 #45b2ed as the background.

Brands using this color

Fonts for this mood

#45b2ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45b2ed
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 #45b2ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45b2ed-9cb1c4-df4e62-1f222d-e9f1f0?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