Color

#3923cd

#3923cd
hex#3923cd
rgbrgb(57, 35, 205)
hslhsl(248, 71%, 47%)
oklchoklch(0.428 0.238 275.3)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0648

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b6cd23

#2361cd · #8f23cd

#cd3923 · #23cd39

Split-complementary

Open in tool →

#cd8f23 · #61cd23

#cd2361 · #b6cd23 · #23cd8f

Contrast

#3923cd as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #7362e4 as the text (4.6:1)
  • AAA: use #9689eb as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (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 #3923cd 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

#3923cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3923cd
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 #3923cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3923cd-a69cc4-dfac4e-271f2d-e9ecf1?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