Color

#63b6ee

#63b6ee
hex#63b6ee
rgbrgb(99, 182, 238)
hslhsl(204, 80%, 66%)
oklchoklch(0.746 0.115 240.2)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee9a63

#63eee0 · #6371ee

#ee63b6 · #b6ee63

Split-complementary

Open in tool →

#ee6371 · #eee063

#e063ee · #ee9a63 · #71ee63

Contrast

#63b6ee as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #1579bc as the text (4.67:1)
  • AAA: use #105c8e as the text (7.13:1)
  • AA: or shift the background to #424242 (4.53:1)
  • AAA: or shift the background to #212121 (7.25:1)
Aaon black
9.46:1passpasspassPasses 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 #63b6ee 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

#63b6ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63b6ee
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 #63b6ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63b6ee-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