Color

#54b0de

#54b0de
hex#54b0de
rgbrgb(84, 176, 222)
hslhsl(200, 68%, 60%)
oklchoklch(0.72 0.11 232.9)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3821

Colors that go with #54b0de

Charcoal, Amber and Blue 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 →

#de8254

#54dec7 · #546bde

#de54b0 · #b0de54

Split-complementary

Open in tool →

#de546b · #dec754

#c754de · #de8254 · #6bde54

Contrast

#54b0de as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #217dab as the text (4.58:1)
  • AAA: use #185e81 as the text (7.1:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #54b0de as the background.

Brands using this color

Fonts for this mood

#54b0de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #54b0de
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 #54b0de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/54b0de-9cb2c4-df4e64-1f232d-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