Color

#4254cd

#4254cd
hex#4254cd
rgbrgb(66, 84, 205)
hslhsl(232, 58%, 53%)
oklchoklch(0.505 0.187 271.5)
Closest name: God of Rain (#4466cc)Relative luminance 0.1191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdba42

#429acd · #7542cd

#cd4254 · #54cd42

Split-complementary

Open in tool →

#cd7542 · #9acd42

#cd429a · #cdba42 · #42cd75

Contrast

#4254cd as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #3649c9 as the text (7.11:1)
Aaon black
3.38:1failpassfail
  • AA: use #5e6ed4 as the text (4.66:1)
  • AAA: use #8692df as the text (7.19:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4254cd 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

#4254cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4254cd
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 #4254cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4254cd-9c9dc4-df864e-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