Color

#3eaacc

#3eaacc
hex#3eaacc
rgbrgb(62, 170, 204)
hslhsl(194, 58%, 52%)
oklchoklch(0.691 0.108 222.8)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3413

Colors that go with #3eaacc

Charcoal, Tomato and Amber 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 →

#cc5f3e

#3ecca6 · #3e63cc

#cc3eaa · #aacc3e

Split-complementary

Open in tool →

#cc3e63 · #cca63e

#a63ecc · #cc5f3e · #63cc3e

Contrast

#3eaacc as textRatioAAAA largeAAAFix
Aaon white
2.68:1failfailfail
  • AA: use #297f99 as the text (4.58:1)
  • AAA: use #1e5d71 as the text (7.34:1)
  • AA: or shift the background to #363636 (4.5:1)
  • AAA: or shift the background to #0f0f0f (7.14:1)
Aaon black
7.83:1passpasspassPasses 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 #3eaacc as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/3eaacc-9cb6c4-df4e72-1f242d-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