Color

#2e30b2

#2e30b2
hex#2e30b2
rgbrgb(46, 48, 178)
hslhsl(239, 59%, 44%)
oklchoklch(0.408 0.198 272.6)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0591

Colors that go with #2e30b2

Charcoal, Sea Green and Steel Blue 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 →

#b2b02e

#2e72b2 · #6e2eb2

#b22e30 · #30b22e

Split-complementary

Open in tool →

#b26e2e · #72b22e

#b22e72 · #b2b02e · #2eb26e

Contrast

#2e30b2 as textRatioAAAA largeAAAFix
Aaon white
9.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #696bd8 as the text (4.7:1)
  • AAA: use #8d8fe2 as the text (7.16:1)
  • AA: or shift the background to #b3b3b3 (4.59:1)
  • AAA: or shift the background to #dedede (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e30b2 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

#2e30b2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e30b2
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 #2e30b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e30b2-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