Color

#3dc8ff

#3dc8ff
hex#3dc8ff
rgbrgb(61, 200, 255)
hslhsl(197, 100%, 62%)
oklchoklch(0.783 0.138 229.5)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4952

Colors that go with #3dc8ff

Charcoal, Midnight Blue and Periwinkle lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff743d

#3dffd5 · #3d67ff

#ff3dc8 · #c8ff3d

Split-complementary

Open in tool →

#ff3d67 · #ffd53d

#d53dff · #ff743d · #67ff3d

Contrast

#3dc8ff as textRatioAAAA largeAAAFix
Aaon white
1.93:1failfailfail
  • AA: use #007cad as the text (4.68:1)
  • AAA: use #005f85 as the text (7.06:1)
  • AA: or shift the background to #4a4a4a (4.6:1)
  • AAA: or shift the background to #2e2e2e (7.05:1)
Aaon black
10.9:1passpasspassPasses 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 #3dc8ff as the background.

Brands using this color

Fonts for this mood

#3dc8ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dc8ff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3dc8ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc8ff-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