Color

#0d4de3

#0d4de3
hex#0d4de3
rgbrgb(13, 77, 227)
hslhsl(222, 89%, 47%)
oklchoklch(0.494 0.234 263.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1094

Colors that go with #0d4de3

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 →

#e3a30d

#0db8e3 · #380de3

#e30d4d · #4de30d

Split-complementary

Open in tool →

#e3380d · #b8e30d

#e30db8 · #e3a30d · #0de338

Contrast

#0d4de3 as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
Aaon black
3.19:1failpassfail
  • AA: use #356ef3 as the text (4.68:1)
  • AAA: use #6a94f6 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 #0d4de3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d4de3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4de3
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 #0d4de3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4de3-9ca3c4-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