Color

#2a30cf

#2a30cf
hex#2a30cf
rgbrgb(42, 48, 207)
hslhsl(238, 66%, 49%)
oklchoklch(0.437 0.234 270)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0711

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfca2a

#2a82cf · #772acf

#cf2a30 · #30cf2a

Split-complementary

Open in tool →

#cf772a · #82cf2a

#cf2a82 · #cfca2a · #2acf77

Contrast

#2a30cf as textRatioAAAA largeAAAFix
Aaon white
8.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #6267df as the text (4.52:1)
  • AAA: use #8d90e8 as the text (7.29:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a30cf 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

#2a30cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a30cf
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 #2a30cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a30cf-9f9cc4-df944e-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