Color

#4090f2

#4090f2
hex#4090f2
rgbrgb(64, 144, 242)
hslhsl(213, 87%, 60%)
oklchoklch(0.652 0.166 255.2)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2745

Colors that go with #4090f2

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.

Real palettes that use #4090f2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f2a240

#40e9f2 · #4940f2

#f24090 · #90f240

Split-complementary

Open in tool →

#f24940 · #e9f240

#f240e9 · #f2a240 · #40f249

Contrast

#4090f2 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #1072ea as the text (4.55:1)
  • AAA: use #0c56b0 as the text (7.06:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #4f98f3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4090f2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4090f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4090f2
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 #4090f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4090f2-9ca9c4-df584e-1f202d-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