Color

#104ee0

#104ee0
hex#104ee0
rgbrgb(16, 78, 224)
hslhsl(222, 87%, 47%)
oklchoklch(0.493 0.229 263.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1094

Colors that go with #104ee0

Charcoal, Crimson 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 →

#e0a210

#10b6e0 · #3910e0

#e0104e · #4ee010

Split-complementary

Open in tool →

#e03910 · #b6e010

#e010b6 · #e0a210 · #10e039

Contrast

#104ee0 as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #0f49d2 as the text (7.23:1)
Aaon black
3.19:1failpassfail
  • AA: use #326bf1 as the text (4.51:1)
  • AAA: use #6b94f5 as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #104ee0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#104ee0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #104ee0
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 #104ee0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/104ee0-9ca3c4-df6e4e-211f2d-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