Color

#405ace

#405ace
hex#405ace
rgbrgb(64, 90, 206)
hslhsl(229, 59%, 53%)
oklchoklch(0.516 0.181 269.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1286

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ceb440

#40a1ce · #6d40ce

#ce405a · #5ace40

Split-complementary

Open in tool →

#ce6d40 · #a1ce40

#ce40a1 · #ceb440 · #40ce6d

Contrast

#405ace as textRatioAAAA largeAAAFix
Aaon white
5.88:1passpassfail
  • AAA: use #324dc3 as the text (7.03:1)
Aaon black
3.57:1failpassfail
  • AA: use #596fd4 as the text (4.65:1)
  • AAA: use #8192df as the text (7.11:1)
  • AA: or shift the background to #e3e3e3 (4.58:1)

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

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

mcpConnect your agent — build around #405ace
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #405ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/405ace-9c9fc4-df7e4e-231f2d-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