Color

#323bf1

#323bf1
hex#323bf1
rgbrgb(50, 59, 241)
hslhsl(237, 87%, 57%)
oklchoklch(0.491 0.261 269.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.1016

Colors that go with #323bf1

Charcoal, Crimson and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f1e732

#329bf1 · #8832f1

#f1323b · #3bf132

Split-complementary

Open in tool →

#f18832 · #9bf132

#f1329b · #f1e732 · #32f188

Contrast

#323bf1 as textRatioAAAA largeAAAFix
Aaon white
6.93:1passpassfail
  • AAA: use #2d37f0 as the text (7.2:1)
Aaon black
3.03:1failpassfail
  • AA: use #5d64f4 as the text (4.59:1)
  • AAA: use #888df7 as the text (7.2:1)
  • AA: or shift the background to #d1d1d1 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #323bf1 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

#323bf1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #323bf1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #323bf1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/323bf1-9f9cc4-df924e-251f2d-e9edf1?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