Color

#454ab5

#454ab5
hex#454ab5
rgbrgb(69, 74, 181)
hslhsl(237, 45%, 49%)
oklchoklch(0.469 0.166 275.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.095

Colors that go with #454ab5

Charcoal, Sea Green and Steel 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 →

#b5b045

#4583b5 · #7745b5

#b5454a · #4ab545

Split-complementary

Open in tool →

#b57745 · #83b545

#b54583 · #b5b045 · #45b577

Contrast

#454ab5 as textRatioAAAA largeAAAFix
Aaon white
7.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #676cc5 as the text (4.53:1)
  • AAA: use #8c90d4 as the text (7.06:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #454ab5 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

#454ab5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #454ab5
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 #454ab5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/454ab5-9f9cc4-df924e-251f2d-e9edf1?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