Color

#4365df

#4365df
hex#4365df
rgbrgb(67, 101, 223)
hslhsl(227, 71%, 57%)
oklchoklch(0.551 0.19 267.9)
Closest name: royalblue (#4169e1)Relative luminance 0.1583

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfbd43

#43b3df · #7043df

#df4365 · #65df43

Split-complementary

Open in tool →

#df7043 · #b3df43

#df43b3 · #dfbd43 · #43df70

Contrast

#4365df as textRatioAAAA largeAAAFix
Aaon white
5.04:1passpassfail
  • AAA: use #2349d1 as the text (7.13:1)
Aaon black
4.17:1failpassfail
  • AA: use #4c6ce1 as the text (4.54:1)
  • AAA: use #7c94e9 as the text (7.27:1)
  • AA: or shift the background to #f2f2f2 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4365df 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

#4365df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4365df
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 #4365df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4365df-9ca0c4-df7a4e-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