Color

#455eb0

#455eb0
hex#455eb0
rgbrgb(69, 94, 176)
hslhsl(226, 44%, 48%)
oklchoklch(0.505 0.133 268.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1241

Colors that go with #455eb0

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 →

#b09745

#4594b0 · #6145b0

#b0455e · #5eb045

Split-complementary

Open in tool →

#b06145 · #94b045

#b04594 · #b09745 · #45b061

Contrast

#455eb0 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #3d549e as the text (7.09:1)
Aaon black
3.48:1failpassfail
  • AA: use #5a71bf as the text (4.55:1)
  • AAA: use #8294ce as the text (7.08:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455eb0 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

#455eb0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #455eb0
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 #455eb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455eb0-9ca1c4-df774e-221f2d-e9eff1?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