Color

#4300a8

#4300a8
hex#4300a8
rgbrgb(67, 0, 168)
hslhsl(264, 100%, 33%)
oklchoklch(0.371 0.215 286.6)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0402

Tints & shades

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

Harmonies

Complementary

Open in tool →

#65a800

#0011a8 · #9700a8

#a84300 · #00a843

Split-complementary

Open in tool →

#a89700 · #11a800

#a80011 · #65a800 · #00a897

Contrast

#4300a8 as textRatioAAAA largeAAAFix
Aaon white
11.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #9147ff as the text (4.55:1)
  • AAA: use #af7aff as the text (7.05:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4300a8 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

#4300a8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4300a8
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 #4300a8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4300a8-b19cc4-dfd34e-2b1f2d-e9eaf1?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