Color

#90a4e0

#90a4e0
hex#90a4e0
rgbrgb(144, 164, 224)
hslhsl(225, 56%, 72%)
oklchoklch(0.726 0.091 269.9)
Closest name: Azureno (#8fa0d5)Relative luminance 0.3786

Colors that go with #90a4e0

Charcoal, Deep Sky Blue 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 →

#e0cc90

#90cce0 · #a490e0

#e090a4 · #a4e090

Split-complementary

Open in tool →

#e0a490 · #cce090

#e090cc · #e0cc90 · #90e0a4

Contrast

#90a4e0 as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #506fce as the text (4.66:1)
  • AAA: use #3151af as the text (7.18:1)
  • AA: or shift the background to #3b3b3b (4.57:1)
  • AAA: or shift the background to #1a1a1a (7.1:1)
Aaon black
8.57:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #90a4e0 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

#90a4e0 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90a4e0
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 #90a4e0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a4e0-9ca1c4-df754e-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