Color

#0c58ca

#0c58ca
hex#0c58ca
rgbrgb(12, 88, 202)
hslhsl(216, 89%, 42%)
oklchoklch(0.492 0.19 259.9)
Closest name: Denim (#1560bd)Relative luminance 0.1132

Colors that go with #0c58ca

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 →

#ca7e0c

#0cb7ca · #1f0cca

#ca0c58 · #58ca0c

Split-complementary

Open in tool →

#ca1f0c · #b7ca0c

#ca0cb7 · #ca7e0c · #0cca1f

Contrast

#0c58ca as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #0b52bc as the text (7.13:1)
Aaon black
3.26:1failpassfail
  • AA: use #186ff2 as the text (4.59:1)
  • AAA: use #5696f5 as the text (7.08:1)
  • AA: or shift the background to #d9d9d9 (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 #0c58ca as the background.

Brands using this color

Fonts for this mood

#0c58ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c58ca
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 #0c58ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c58ca-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