Color

#404ace

#404ace
hex#404ace
rgbrgb(64, 74, 206)
hslhsl(236, 59%, 53%)
oklchoklch(0.487 0.201 273)
Closest name: Blurple (#5539cc)Relative luminance 0.1044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cec440

#4091ce · #7e40ce

#ce404a · #4ace40

Split-complementary

Open in tool →

#ce7e40 · #91ce40

#ce4091 · #cec440 · #40ce7e

Contrast

#404ace as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #3c46cd as the text (7.12:1)
Aaon black
3.09:1failpassfail
  • AA: use #656dd7 as the text (4.72:1)
  • AAA: use #898fe1 as the text (7.08:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404ace 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

#404ace reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404ace
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 #404ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404ace-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