Color

#53a8ea

#53a8ea
hex#53a8ea
rgbrgb(83, 168, 234)
hslhsl(206, 78%, 62%)
oklchoklch(0.707 0.127 244.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3578

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea9453

#53eae0 · #535dea

#ea53a8 · #a8ea53

Split-complementary

Open in tool →

#ea535d · #eae053

#e053ea · #ea9453 · #5dea53

Contrast

#53a8ea as textRatioAAAA largeAAAFix
Aaon white
2.57:1failfailfail
  • AA: use #1879c3 as the text (4.6:1)
  • AAA: use #125a91 as the text (7.25:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.16:1)
Aaon black
8.16:1passpasspassPasses 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 #53a8ea 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

#53a8ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53a8ea
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 #53a8ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53a8ea-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