Color

#456da1

#456da1
hex#456da1
rgbrgb(69, 109, 161)
hslhsl(214, 40%, 45%)
oklchoklch(0.529 0.094 255.5)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1478

Colors that go with #456da1

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 →

#a17945

#459ba1 · #4b45a1

#a1456d · #6da145

Split-complementary

Open in tool →

#a14b45 · #9ba145

#a1459b · #a17945 · #45a14b

Contrast

#456da1 as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #395984 as the text (7.15:1)
Aaon black
3.96:1failpassfail
  • AA: use #4b76af as the text (4.51:1)
  • AAA: use #7799c5 as the text (7.15:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #456da1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#456da1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #456da1
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 #456da1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/456da1-9ca9c4-df5a4e-1f1f2d-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