Color

#2d4fae

#2d4fae
hex#2d4fae
rgbrgb(45, 79, 174)
hslhsl(224, 59%, 43%)
oklchoklch(0.459 0.157 265.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0921

Colors that go with #2d4fae

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 →

#ae8c2d

#2d90ae · #4b2dae

#ae2d4f · #4fae2d

Split-complementary

Open in tool →

#ae4b2d · #90ae2d

#ae2d90 · #ae8c2d · #2dae4b

Contrast

#2d4fae as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #4d70d1 as the text (4.55:1)
  • AAA: use #7994dc as the text (7.08:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (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 #2d4fae as the background.

Brands using this color

Fonts for this mood

#2d4fae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4fae
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 #2d4fae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4fae-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