Color

#5aa3d3

#5aa3d3
hex#5aa3d3
rgbrgb(90, 163, 211)
hslhsl(204, 58%, 59%)
oklchoklch(0.688 0.102 239.4)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3307

Colors that go with #5aa3d3

Charcoal, Peru 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 →

#d38a5a

#5ad3c7 · #5a66d3

#d35aa3 · #a3d35a

Split-complementary

Open in tool →

#d35a66 · #d3c75a

#c75ad3 · #d38a5a · #66d35a

Contrast

#5aa3d3 as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #2e7aad as the text (4.66:1)
  • AAA: use #225b81 as the text (7.29:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.05:1)
Aaon black
7.61:1passpasspassPasses 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 #5aa3d3 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

#5aa3d3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5aa3d3
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 #5aa3d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5aa3d3-9cafc4-df4e5a-1f222d-e9f1f0?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