Color

#3aa8bb

#3aa8bb
hex#3aa8bb
rgbrgb(58, 168, 187)
hslhsl(189, 53%, 48%)
oklchoklch(0.678 0.101 211.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3249

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb4d3a

#3abb8e · #3a67bb

#bb3aa8 · #a8bb3a

Split-complementary

Open in tool →

#bb3a67 · #bb8e3a

#8e3abb · #bb4d3a · #67bb3a

Contrast

#3aa8bb as textRatioAAAA largeAAAFix
Aaon white
2.8:1failfailfail
  • AA: use #2c8190 as the text (4.52:1)
  • AAA: use #205e69 as the text (7.33:1)
  • AA: or shift the background to #333333 (4.51:1)
  • AAA: or shift the background to #0a0a0a (7.07:1)
Aaon black
7.5:1passpasspassPasses 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 #3aa8bb 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

#3aa8bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3aa8bb
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 #3aa8bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa8bb-a2b7be-df4e7e-1f252d-e9f1ee?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