Color

#454dba

#454dba
hex#454dba
rgbrgb(69, 77, 186)
hslhsl(236, 46%, 50%)
oklchoklch(0.478 0.169 274.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1012

Colors that go with #454dba

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 →

#bab245

#4587ba · #7845ba

#ba454d · #4dba45

Split-complementary

Open in tool →

#ba7845 · #87ba45

#ba4587 · #bab245 · #45ba78

Contrast

#454dba as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #434bb6 as the text (7.19:1)
Aaon black
3.02:1failpassfail
  • AA: use #666dc7 as the text (4.58:1)
  • AAA: use #8c90d4 as the text (7.06:1)
  • AA: or shift the background to #d1d1d1 (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 #454dba 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

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

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

tool url/palettes/new/454dba-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