Color

#0d53de

#0d53de
hex#0d53de
rgbrgb(13, 83, 222)
hslhsl(220, 89%, 46%)
oklchoklch(0.5 0.221 262.3)
Closest name: Denim (#1560bd)Relative luminance 0.1155

Colors that go with #0d53de

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.

Real palettes that use #0d53de

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#de980d

#0dbbde · #300dde

#de0d53 · #53de0d

Split-complementary

Open in tool →

#de300d · #bbde0d

#de0dbb · #de980d · #0dde30

Contrast

#0d53de as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
  • AAA: use #0c4dcf as the text (7.05:1)
Aaon black
3.31:1failpassfail
  • AA: use #2b6ef3 as the text (4.63:1)
  • AAA: use #6595f6 as the text (7.18:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d53de as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d53de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d53de
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 #0d53de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d53de-9ca5c4-df694e-211f2d-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