Color

#53adea

#53adea
hex#53adea
rgbrgb(83, 173, 234)
hslhsl(204, 78%, 62%)
oklchoklch(0.718 0.124 241.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3767

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea8f53

#53eadb · #5362ea

#ea53ad · #adea53

Split-complementary

Open in tool →

#ea5362 · #eadb53

#db53ea · #ea8f53 · #62ea53

Contrast

#53adea as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #1779ba as the text (4.69:1)
  • AAA: use #115b8d as the text (7.23:1)
  • AA: or shift the background to #3b3b3b (4.55:1)
  • AAA: or shift the background to #1a1a1a (7.07:1)
Aaon black
8.53:1passpasspassPasses 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 #53adea as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/53adea-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