Color

#1a90ea

#1a90ea
hex#1a90ea
rgbrgb(26, 144, 234)
hslhsl(206, 83%, 51%)
oklchoklch(0.638 0.165 248.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2611

Colors that go with #1a90ea

Charcoal, Amber and Blue 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 →

#ea741a

#1aeadc · #1a28ea

#ea1a90 · #90ea1a

Split-complementary

Open in tool →

#ea1a28 · #eadc1a

#dc1aea · #ea741a · #28ea1a

Contrast

#1a90ea as textRatioAAAA largeAAAFix
Aaon white
3.38:1failpassfail
  • AA: use #137ac9 as the text (4.51:1)
  • AAA: use #0e5b95 as the text (7.12:1)
  • AA: or shift the background to #242424 (4.6:1)
Aaon black
6.22:1passpassfail
  • AAA: use #329bec as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a90ea 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

#1a90ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a90ea
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 #1a90ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a90ea-9caec4-df4e56-1f212d-e9f1f1?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