Color

#2e3ffa

#2e3ffa
hex#2e3ffa
rgbrgb(46, 63, 250)
hslhsl(235, 95%, 58%)
oklchoklch(0.504 0.269 268.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1104

Colors that go with #2e3ffa

Charcoal, Crimson and Sea Green 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 →

#fae92e

#2ea5fa · #832efa

#fa2e3f · #3ffa2e

Split-complementary

Open in tool →

#fa832e · #a5fa2e

#fa2ea5 · #fae92e · #2efa83

Contrast

#2e3ffa as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #2436f9 as the text (7.07:1)
Aaon black
3.21:1failpassfail
  • AA: use #5664fb as the text (4.61:1)
  • AAA: use #838dfc as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3ffa as the background.

Brands using this color

Fonts for this mood

#2e3ffa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3ffa
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 #2e3ffa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3ffa-9e9cc4-df8d4e-241f2d-e9eef1?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