Color

#63acbb

#63acbb
hex#63acbb
rgbrgb(99, 172, 187)
hslhsl(190, 39%, 56%)
oklchoklch(0.702 0.076 212.4)
Closest name: Blue Eye Samurai (#75aebd)Relative luminance 0.3575

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb7263

#63bb9d · #6380bb

#bb63ac · #acbb63

Split-complementary

Open in tool →

#bb6380 · #bb9d63

#9d63bb · #bb7263 · #80bb63

Contrast

#63acbb as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #3d7d8a as the text (4.67:1)
  • AAA: use #2d5d67 as the text (7.31:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses 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 #63acbb 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

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

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

tool url/palettes/new/63acbb-a2b6be-df4e7c-1f252d-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