Color

#0d2cc9

#0d2cc9
hex#0d2cc9
rgbrgb(13, 44, 201)
hslhsl(230, 88%, 42%)
oklchoklch(0.415 0.237 265.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.061

Colors that go with #0d2cc9

Charcoal, Crimson and Steel Blue 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 →

#c9aa0d

#0d8bc9 · #4c0dc9

#c90d2c · #2cc90d

Split-complementary

Open in tool →

#c94c0d · #8bc90d

#c90d8b · #c9aa0d · #0dc94c

Contrast

#0d2cc9 as textRatioAAAA largeAAAFix
Aaon white
9.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #4e69f4 as the text (4.65:1)
  • AAA: use #798ef6 as the text (7.01:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2cc9 as the background.

Brands using this color

Fonts for this mood

#0d2cc9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2cc9
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 #0d2cc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2cc9-9c9ec4-df814e-231f2d-e9eef1?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