Color

#63a6bb

#63a6bb
hex#63a6bb
rgbrgb(99, 166, 187)
hslhsl(194, 39%, 56%)
oklchoklch(0.688 0.075 220.1)
Closest name: Frozen Wave (#56acca)Relative luminance 0.3351

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb7763

#63bba3 · #637abb

#bb63a6 · #a6bb63

Split-complementary

Open in tool →

#bb637a · #bba363

#a363bb · #bb7763 · #7abb63

Contrast

#63a6bb as textRatioAAAA largeAAAFix
Aaon white
2.73:1failfailfail
  • AA: use #407e91 as the text (4.55:1)
  • AAA: use #305f6e as the text (7.03:1)
  • AA: or shift the background to #333333 (4.63:1)
  • AAA: or shift the background to #0f0f0f (7.03:1)
Aaon black
7.7:1passpasspassPasses 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 #63a6bb 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

#63a6bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63a6bb
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 #63a6bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63a6bb-9cb6c4-df4e72-1f242d-e9f1ef?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