Color

#2d90a4

#2d90a4
hex#2d90a4
rgbrgb(45, 144, 164)
hslhsl(190, 57%, 41%)
oklchoklch(0.606 0.093 214.2)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2318

Colors that go with #2d90a4

Charcoal, Copper and Crimson 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.

Real palettes that use #2d90a4

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a4412d

#2da47c · #2d55a4

#a42d90 · #90a42d

Split-complementary

Open in tool →

#a42d55 · #a47c2d

#7c2da4 · #a4412d · #55a42d

Contrast

#2d90a4 as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #277f90 as the text (4.64:1)
  • AAA: use #1e5f6c as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.64:1passpassfail
  • AAA: use #34a5bc as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d90a4 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

#2d90a4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d90a4
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 #2d90a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d90a4-a2b6be-df4e7c-1f252d-e9f1ef?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