Color

#10a1ea

#10a1ea
hex#10a1ea
rgbrgb(16, 161, 234)
hslhsl(200, 87%, 49%)
oklchoklch(0.676 0.152 239.9)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3154

Colors that go with #10a1ea

Charcoal, Tomato and Bronze 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 →

#ea5910

#10eac5 · #1034ea

#ea10a1 · #a1ea10

Split-complementary

Open in tool →

#ea1034 · #eac510

#c510ea · #ea5910 · #34ea10

Contrast

#10a1ea as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #0d7db5 as the text (4.55:1)
  • AAA: use #095c86 as the text (7.27:1)
  • AA: or shift the background to #303030 (4.59:1)
  • AAA: or shift the background to #050505 (7.09:1)
Aaon black
7.31:1passpasspassPasses 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 #10a1ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#10a1ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10a1ea
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 #10a1ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10a1ea-9cb2c4-df4e64-1f232d-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