Color

#407ee7

#407ee7
hex#407ee7
rgbrgb(64, 126, 231)
hslhsl(218, 78%, 58%)
oklchoklch(0.606 0.172 260.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2178

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7aa40

#40d1e7 · #5740e7

#e7407e · #7ee740

Split-complementary

Open in tool →

#e75740 · #d1e740

#e740d1 · #e7aa40 · #40e757

Contrast

#407ee7 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #2e71e5 as the text (4.56:1)
  • AAA: use #1753ba as the text (7.04:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #6596ec as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407ee7 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

#407ee7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #407ee7
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 #407ee7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407ee7-9ca6c4-df644e-201f2d-e9f0f1?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