Color

#4803dd

#4803dd
hex#4803dd
rgbrgb(72, 3, 221)
hslhsl(259, 97%, 44%)
oklchoklch(0.439 0.265 279.7)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0666

Tints & shades

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

Harmonies

Complementary

Open in tool →

#98dd03

#032bdd · #b503dd

#dd4803 · #03dd48

Split-complementary

Open in tool →

#ddb503 · #2bdd03

#dd032b · #98dd03 · #03ddb5

Contrast

#4803dd as textRatioAAAA largeAAAFix
Aaon white
9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #864ffc as the text (4.54:1)
  • AAA: use #a981fd as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4803dd 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

#4803dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4803dd
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 #4803dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4803dd-ad9cc4-dfc74e-2a1f2d-e9ebf1?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