Color

#454fba

#454fba
hex#454fba
rgbrgb(69, 79, 186)
hslhsl(235, 46%, 50%)
oklchoklch(0.482 0.167 274.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.104

Colors that go with #454fba

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 →

#bab045

#4589ba · #7645ba

#ba454f · #4fba45

Split-complementary

Open in tool →

#ba7645 · #89ba45

#ba4589 · #bab045 · #45ba76

Contrast

#454fba as textRatioAAAA largeAAAFix
Aaon white
6.82:1passpassfail
  • AAA: use #434db6 as the text (7.06:1)
Aaon black
3.08:1failpassfail
  • AA: use #666ec7 as the text (4.62:1)
  • AAA: use #8c92d4 as the text (7.18:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

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

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

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

tool url/palettes/new/454fba-9e9cc4-df8d4e-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