Color

#3ab6fd

#3ab6fd
hex#3ab6fd
rgbrgb(58, 182, 253)
hslhsl(202, 98%, 61%)
oklchoklch(0.74 0.147 239.1)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4145

Colors that go with #3ab6fd

Charcoal, Dark Orange 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 →

#fd823a

#3afde3 · #3a54fd

#fd3ab6 · #b6fd3a

Split-complementary

Open in tool →

#fd3a54 · #fde33a

#e33afd · #fd823a · #54fd3a

Contrast

#3ab6fd as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #027ac0 as the text (4.62:1)
  • AAA: use #015d92 as the text (7.04:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #3ab6fd as the background.

Brands using this color

Fonts for this mood

#3ab6fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ab6fd
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 #3ab6fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ab6fd-9cb1c4-df4e5f-1f222d-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