Color

#3030cf

#3030cf
hex#3030cf
rgbrgb(48, 48, 207)
hslhsl(240, 62%, 50%)
oklchoklch(0.44 0.233 271.5)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0725

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfcf30

#3080cf · #8030cf

#cf3030 · #30cf30

Split-complementary

Open in tool →

#cf8030 · #80cf30

#cf3080 · #cfcf30 · #30cf80

Contrast

#3030cf as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #6a6adc as the text (4.71:1)
  • AAA: use #8f8fe5 as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (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 #3030cf 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

#3030cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3030cf
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 #3030cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3030cf-a19cc4-df994e-251f2d-e9edf1?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