Color

#4359ea

#4359ea
hex#4359ea
rgbrgb(67, 89, 234)
hslhsl(232, 80%, 59%)
oklchoklch(0.538 0.218 270.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1428

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ead443

#43adea · #8043ea

#ea4359 · #59ea43

Split-complementary

Open in tool →

#ea8043 · #adea43

#ea43ad · #ead443 · #43ea80

Contrast

#4359ea as textRatioAAAA largeAAAFix
Aaon white
5.45:1passpassfail
  • AAA: use #2741e7 as the text (7.01:1)
Aaon black
3.86:1failpassfail
  • AA: use #5569ec as the text (4.62:1)
  • AAA: use #7e8ef1 as the text (7.03:1)
  • AA: or shift the background to #ebebeb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4359ea 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

#4359ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4359ea
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 #4359ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4359ea-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