Color

#3dc7e6

#3dc7e6
hex#3dc7e6
rgbrgb(61, 199, 230)
hslhsl(191, 77%, 57%)
oklchoklch(0.77 0.122 216.4)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4755

Colors that go with #3dc7e6

Charcoal, Crimson and Dark Orange 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 →

#e65c3d

#3de6b0 · #3d72e6

#e63dc7 · #c7e63d

Split-complementary

Open in tool →

#e63d72 · #e6b03d

#b03de6 · #e65c3d · #72e63d

Contrast

#3dc7e6 as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #148199 as the text (4.54:1)
  • AAA: use #0f5f71 as the text (7.25:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.09:1)
Aaon black
10.51:1passpasspassPasses 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 #3dc7e6 as the background.

Brands using this color

Fonts for this mood

#3dc7e6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dc7e6
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 #3dc7e6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc7e6-a2b6be-df4e7a-1f252d-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