Color

#3a8af2

#3a8af2
hex#3a8af2
rgbrgb(58, 138, 242)
hslhsl(214, 88%, 59%)
oklchoklch(0.637 0.174 256.4)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2549

Colors that go with #3a8af2

Charcoal, Red 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 →

#f2a33a

#3ae6f2 · #473af2

#f23a8a · #8af23a

Split-complementary

Open in tool →

#f2473a · #e6f23a

#f23ae6 · #f2a33a · #3af247

Contrast

#3a8af2 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #0f71f0 as the text (4.53:1)
  • AAA: use #0b53b1 as the text (7.28:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #5298f4 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a8af2 as the background.

Brands using this color

Fonts for this mood

#3a8af2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a8af2
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 #3a8af2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a8af2-9ca9c4-df5a4e-1f1f2d-e9f0f1?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