Color

#2d30e6

#2d30e6
hex#2d30e6
rgbrgb(45, 48, 230)
hslhsl(239, 79%, 54%)
oklchoklch(0.463 0.259 269.7)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0838

Colors that go with #2d30e6

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6e32d

#2d8de6 · #872de6

#e62d30 · #30e62d

Split-complementary

Open in tool →

#e6872d · #8de62d

#e62d8d · #e6e32d · #2de687

Contrast

#2d30e6 as textRatioAAAA largeAAAFix
Aaon white
7.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #6466ed as the text (4.67:1)
  • AAA: use #8d8ff2 as the text (7.34:1)
  • AA: or shift the background to #c7c7c7 (4.64:1)
  • AAA: or shift the background to #f2f2f2 (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 #2d30e6 as the background.

Brands using this color

Fonts for this mood

#2d30e6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d30e6
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2d30e6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d30e6-a09cc4-df964e-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