Color

#053c66

#053c66
hex#053c66
rgbrgb(5, 60, 102)
hslhsl(206, 91%, 21%)
oklchoklch(0.348 0.09 248.3)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0422

Tints & shades

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

Harmonies

Complementary

Open in tool →

#662f05

#056660 · #050b66

#66053c · #3c6605

Split-complementary

Open in tool →

#66050b · #666005

#600566 · #662f05 · #0b6605

Contrast

#053c66 as textRatioAAAA largeAAAFix
Aaon white
11.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #0a78cd as the text (4.58:1)
  • AAA: use #249af5 as the text (7.02:1)
  • AA: or shift the background to #a3a3a3 (4.51:1)
  • AAA: or shift the background to #cccccc (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #053c66 as the background.

Brands using this color

Fonts for this mood

#053c66 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #053c66
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #053c66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/053c66-9caec4-df4e56-1f212d-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