Color

#2d90a9

#2d90a9
hex#2d90a9
rgbrgb(45, 144, 169)
hslhsl(192, 58%, 42%)
oklchoklch(0.608 0.096 218.5)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2337

Colors that go with #2d90a9

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a9462d

#2da984 · #2d52a9

#a92d90 · #90a92d

Split-complementary

Open in tool →

#a92d52 · #a9842d

#842da9 · #a9462d · #52a92d

Contrast

#2d90a9 as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #287f95 as the text (4.61:1)
  • AAA: use #1e6071 as the text (7.08:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #32a2bd as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d90a9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#2d90a9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d90a9
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 #2d90a9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d90a9-a2b5be-df4e77-1f242d-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