Color

#0d5ace

#0d5ace
hex#0d5ace
rgbrgb(13, 90, 206)
hslhsl(216, 88%, 43%)
oklchoklch(0.5 0.193 260)
Closest name: Denim (#1560bd)Relative luminance 0.1185

Colors that go with #0d5ace

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 →

#ce810d

#0dbbce · #200dce

#ce0d5a · #5ace0d

Split-complementary

Open in tool →

#ce200d · #bbce0d

#ce0dbb · #ce810d · #0dce20

Contrast

#0d5ace as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #0c52bb as the text (7.14:1)
Aaon black
3.37:1failpassfail
  • AA: use #196ff0 as the text (4.57:1)
  • AAA: use #5796f4 as the text (7.07:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d5ace as the background.

Brands using this color

Fonts for this mood

#0d5ace reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d5ace
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 #0d5ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d5ace-9ca7c4-df5f4e-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