Color

#454dc4

#454dc4
hex#454dc4
rgbrgb(69, 77, 196)
hslhsl(236, 52%, 52%)
oklchoklch(0.486 0.183 274.4)
Closest name: Blurple (#5539cc)Relative luminance 0.1056

Colors that go with #454dc4

Charcoal, Sea Green 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 →

#c4bc45

#458dc4 · #7c45c4

#c4454d · #4dc445

Split-complementary

Open in tool →

#c47c45 · #8dc445

#c4458d · #c4bc45 · #45c47c

Contrast

#454dc4 as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #414ac3 as the text (7.02:1)
Aaon black
3.11:1failpassfail
  • AA: use #646bce as the text (4.54:1)
  • AAA: use #8b90da as the text (7.1:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #454dc4 as the background.

Brands using this color

Fonts for this mood

#454dc4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #454dc4
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 #454dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/454dc4-9e9cc4-df8f4e-241f2d-e9eef1?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