Color

#4055f7

#4055f7
hex#4055f7
rgbrgb(64, 85, 247)
hslhsl(233, 92%, 61%)
oklchoklch(0.542 0.24 270.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f7e240

#40b1f7 · #8640f7

#f74055 · #55f740

Split-complementary

Open in tool →

#f78640 · #b1f740

#f740b1 · #f7e240 · #40f786

Contrast

#4055f7 as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #1e37f6 as the text (7.16:1)
Aaon black
3.86:1failpassfail
  • AA: use #5467f8 as the text (4.67:1)
  • AAA: use #808efa as the text (7.17:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4055f7 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

#4055f7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4055f7
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 #4055f7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4055f7-9c9cc4-df884e-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