Color

#2e53b8

#2e53b8
hex#2e53b8
rgbrgb(46, 83, 184)
hslhsl(224, 60%, 45%)
oklchoklch(0.476 0.165 265.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1023

Colors that go with #2e53b8

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 →

#b8932e

#2e97b8 · #4e2eb8

#b82e53 · #53b82e

Split-complementary

Open in tool →

#b84e2e · #97b82e

#b82e97 · #b8932e · #2eb84e

Contrast

#2e53b8 as textRatioAAAA largeAAAFix
Aaon white
6.9:1passpassfail
  • AAA: use #2d51b4 as the text (7.12:1)
Aaon black
3.05:1failpassfail
  • AA: use #4b6fd2 as the text (4.5:1)
  • AAA: use #7893dd as the text (7.02:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e53b8 as the background.

Brands using this color

Fonts for this mood

#2e53b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e53b8
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 #2e53b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e53b8-9ca2c4-df724e-221f2d-e9eff1?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