Color

#103ee5

#103ee5
hex#103ee5
rgbrgb(16, 62, 229)
hslhsl(227, 87%, 48%)
oklchoklch(0.472 0.252 264.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.0921

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e5b710

#10a9e5 · #4c10e5

#e5103e · #3ee510

Split-complementary

Open in tool →

#e54c10 · #a9e510

#e510a9 · #e5b710 · #10e54c

Contrast

#103ee5 as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #456bf2 as the text (4.64:1)
  • AAA: use #7591f5 as the text (7.13:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #103ee5 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

#103ee5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103ee5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #103ee5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103ee5-9ca0c4-df7a4e-221f2d-e9eff1?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