Color

#0d4ae3

#0d4ae3
hex#0d4ae3
rgbrgb(13, 74, 227)
hslhsl(223, 89%, 47%)
oklchoklch(0.489 0.237 263.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1053

Colors that go with #0d4ae3

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 →

#e3a60d

#0db4e3 · #3b0de3

#e30d4a · #4ae30d

Split-complementary

Open in tool →

#e33b0d · #b4e30d

#e30db4 · #e3a60d · #0de33b

Contrast

#0d4ae3 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
Aaon black
3.11:1failpassfail
  • AA: use #356bf3 as the text (4.55:1)
  • AAA: use #6e95f7 as the text (7.31:1)
  • AA: or shift the background to #d4d4d4 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d4ae3 as the background.

Brands using this color

Fonts for this mood

#0d4ae3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4ae3
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 #0d4ae3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4ae3-9ca3c4-df704e-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