Color

#4a03b5

#4a03b5
hex#4a03b5
rgbrgb(74, 3, 181)
hslhsl(264, 97%, 36%)
oklchoklch(0.395 0.226 287)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0486

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6eb503

#0315b5 · #a303b5

#b54a03 · #03b54a

Split-complementary

Open in tool →

#b5a303 · #15b503

#b50315 · #6eb503 · #03b5a3

Contrast

#4a03b5 as textRatioAAAA largeAAAFix
Aaon white
10.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #914afc as the text (4.59:1)
  • AAA: use #b07cfd as the text (7.15:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a03b5 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

#4a03b5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a03b5
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 #4a03b5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a03b5-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