Color

#3450ef

#3450ef
hex#3450ef
rgbrgb(52, 80, 239)
hslhsl(231, 85%, 57%)
oklchoklch(0.521 0.238 268.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efd334

#34adef · #7534ef

#ef3450 · #50ef34

Split-complementary

Open in tool →

#ef7534 · #adef34

#ef34ad · #efd334 · #34ef75

Contrast

#3450ef as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #1d3ced as the text (7.19:1)
Aaon black
3.54:1failpassfail
  • AA: use #5069f1 as the text (4.63:1)
  • AAA: use #8091f5 as the text (7.29:1)
  • AA: or shift the background to #e3e3e3 (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 #3450ef 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

#3450ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3450ef
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 #3450ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3450ef-9c9ec4-df834e-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