Color

#405cba

#405cba
hex#405cba
rgbrgb(64, 92, 186)
hslhsl(226, 49%, 49%)
oklchoklch(0.505 0.152 268.1)
Closest name: Denim (#1560bd)Relative luminance 0.1229

Colors that go with #405cba

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 →

#ba9e40

#409aba · #6040ba

#ba405c · #5cba40

Split-complementary

Open in tool →

#ba6040 · #9aba40

#ba409a · #ba9e40 · #40ba60

Contrast

#405cba as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #3953a7 as the text (7.07:1)
Aaon black
3.46:1failpassfail
  • AA: use #5871c6 as the text (4.59:1)
  • AAA: use #8295d4 as the text (7.2:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #405cba as the background.

Brands using this color

Fonts for this mood

#405cba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #405cba
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 #405cba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405cba-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