Color

#456eb0

#456eb0
hex#456eb0
rgbrgb(69, 110, 176)
hslhsl(217, 44%, 48%)
oklchoklch(0.54 0.114 259.5)
Closest name: Campanula (#3473b7)Relative luminance 0.1555

Colors that go with #456eb0

Charcoal, Sea Green and Sienna 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 →

#b08745

#45a4b0 · #5145b0

#b0456e · #6eb045

Split-complementary

Open in tool →

#b05145 · #a4b045

#b045a4 · #b08745 · #45b051

Contrast

#456eb0 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #38598f as the text (7.01:1)
Aaon black
4.11:1failpassfail
  • AA: use #4b75b9 as the text (4.54:1)
  • AAA: use #7797ca as the text (7.06:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #456eb0 as the background.

Brands using this color

Fonts for this mood

#456eb0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #456eb0
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 #456eb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/456eb0-9ca7c4-df624e-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