Color

#53b5ea

#53b5ea
hex#53b5ea
rgbrgb(83, 181, 234)
hslhsl(201, 78%, 62%)
oklchoklch(0.736 0.119 235.3)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea8753

#53ead3 · #5369ea

#ea53b5 · #b5ea53

Split-complementary

Open in tool →

#ea5369 · #ead353

#d353ea · #ea8753 · #69ea53

Contrast

#53b5ea as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #167bb1 as the text (4.66:1)
  • AAA: use #115e88 as the text (7.05:1)
  • AA: or shift the background to #404040 (4.53:1)
  • AAA: or shift the background to #212121 (7.03:1)
Aaon black
9.17:1passpasspassPasses 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 #53b5ea 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

#53b5ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53b5ea
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 #53b5ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53b5ea-9cb1c4-df4e62-1f222d-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