Color

#0d75de

#0d75de
hex#0d75de
rgbrgb(13, 117, 222)
hslhsl(210, 89%, 46%)
oklchoklch(0.569 0.181 254.9)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1808

Colors that go with #0d75de

Charcoal, Crimson and Copper 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 →

#de750d

#0ddede · #0d0dde

#de0d75 · #75de0d

Split-complementary

Open in tool →

#de0d0d · #dede0d

#de0dde · #de750d · #0dde0d

Contrast

#0d75de as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #0a57a4 as the text (7.21:1)
Aaon black
4.62:1passpassfail
  • AAA: use #3e99f4 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d75de as the background.

Brands using this color

Fonts for this mood

#0d75de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d75de
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 #0d75de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d75de-9cabc4-df514e-1f202d-e9f1f1?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