Color

#3abbf2

#3abbf2
hex#3abbf2
rgbrgb(58, 187, 242)
hslhsl(198, 88%, 59%)
oklchoklch(0.747 0.134 231.3)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4285

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f2723a

#3af2ce · #3a5ff2

#f23abb · #bbf23a

Split-complementary

Open in tool →

#f23a5f · #f2ce3a

#ce3af2 · #f2723a · #5ff23a

Contrast

#3abbf2 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #0b7cad as the text (4.67:1)
  • AAA: use #085d81 as the text (7.26:1)
  • AA: or shift the background to #424242 (4.58:1)
  • AAA: or shift the background to #242424 (7.07:1)
Aaon black
9.57:1passpasspassPasses 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 #3abbf2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3abbf2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3abbf2
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 #3abbf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3abbf2-9cb3c4-df4e69-1f232d-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