Color

#3aabcb

#3aabcb
hex#3aabcb
rgbrgb(58, 171, 203)
hslhsl(193, 58%, 51%)
oklchoklch(0.692 0.109 220.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb593a

#3acba1 · #3a63cb

#cb3aab · #abcb3a

Split-complementary

Open in tool →

#cb3a63 · #cba13a

#a13acb · #cb593a · #63cb3a

Contrast

#3aabcb as textRatioAAAA largeAAAFix
Aaon white
2.67:1failfailfail
  • AA: use #287d95 as the text (4.71:1)
  • AAA: use #1e5f71 as the text (7.17:1)
  • AA: or shift the background to #363636 (4.53:1)
  • AAA: or shift the background to #121212 (7.02:1)
Aaon black
7.87:1passpasspassPasses 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 #3aabcb 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

#3aabcb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3aabcb
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 #3aabcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aabcb-a2b5be-df4e75-1f242d-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