Color

#3ac6fd

#3ac6fd
hex#3ac6fd
rgbrgb(58, 198, 253)
hslhsl(197, 98%, 61%)
oklchoklch(0.777 0.139 229.6)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4838

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd713a

#3afdd3 · #3a64fd

#fd3ac6 · #c6fd3a

Split-complementary

Open in tool →

#fd3a64 · #fdd33a

#d33afd · #fd713a · #64fd3a

Contrast

#3ac6fd as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #027cac as the text (4.69:1)
  • AAA: use #015e83 as the text (7.17:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.2:1)
Aaon black
10.68:1passpasspassPasses 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 #3ac6fd as the background.

Brands using this color

Fonts for this mood

#3ac6fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ac6fd
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 #3ac6fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ac6fd-9cb4c4-df4e6b-1f232d-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