Color

#190ccf

#190ccf
hex#190ccf
rgbrgb(25, 12, 207)
hslhsl(244, 89%, 43%)
oklchoklch(0.397 0.26 267.3)
Closest name: mediumblue (#0000cd)Relative luminance 0.0497

Colors that go with #190ccf

Charcoal, Crimson and Dodger 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 →

#c2cf0c

#0c61cf · #7b0ccf

#cf190c · #0ccf19

Split-complementary

Open in tool →

#cf7b0c · #61cf0c

#cf0c61 · #c2cf0c · #0ccf7b

Contrast

#190ccf as textRatioAAAA largeAAAFix
Aaon white
10.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #6a60f6 as the text (4.62:1)
  • AAA: use #938bf8 as the text (7.29:1)
  • AA: or shift the background to #ababab (4.58:1)
  • AAA: or shift the background to #d4d4d4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #190ccf as the background.

Brands using this color

Fonts for this mood

#190ccf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190ccf
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 #190ccf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190ccf-a39cc4-dfa24e-261f2d-e9edf1?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