Color

#0d59de

#0d59de
hex#0d59de
rgbrgb(13, 89, 222)
hslhsl(218, 89%, 46%)
oklchoklch(0.511 0.214 261.4)
Closest name: Denim (#1560bd)Relative luminance 0.125

Colors that go with #0d59de

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 →

#de910d

#0dc2de · #290dde

#de0d59 · #59de0d

Split-complementary

Open in tool →

#de290d · #c2de0d

#de0dc2 · #de910d · #0dde29

Contrast

#0d59de as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #0c50c6 as the text (7.05:1)
Aaon black
3.5:1failpassfail
  • AA: use #216ef2 as the text (4.58:1)
  • AAA: use #6097f6 as the text (7.25:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d59de as the background.

Brands using this color

Fonts for this mood

#0d59de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d59de
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 #0d59de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d59de-9ca6c4-df644e-201f2d-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