Color

#2d90e1

#2d90e1
hex#2d90e1
rgbrgb(45, 144, 225)
hslhsl(207, 75%, 53%)
oklchoklch(0.636 0.151 248)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2594

Colors that go with #2d90e1

Charcoal, Copper 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 →

#e17e2d

#2de1d8 · #2d36e1

#e12d90 · #90e12d

Split-complementary

Open in tool →

#e12d36 · #e1d82d

#d82de1 · #e17e2d · #36e12d

Contrast

#2d90e1 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #1c79c4 as the text (4.58:1)
  • AAA: use #155a93 as the text (7.2:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.19:1passpassfail
  • AAA: use #449ce4 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d90e1 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

#2d90e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d90e1
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 #2d90e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d90e1-9cadc4-df4e53-1f212d-e9f1f1?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