Color

#190a8a

#190a8a
hex#190a8a
rgbrgb(25, 10, 138)
hslhsl(247, 86%, 29%)
oklchoklch(0.304 0.187 271.3)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0226

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b8a0a

#0a3b8a · #590a8a

#8a190a · #0a8a19

Split-complementary

Open in tool →

#8a590a · #3b8a0a

#8a0a3b · #7b8a0a · #0a8a59

Contrast

#190a8a as textRatioAAAA largeAAAFix
Aaon white
14.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #6f5ef3 as the text (4.57:1)
  • AAA: use #9588f6 as the text (7.13:1)
  • AA: or shift the background to #919191 (4.59:1)
  • AAA: or shift the background to #b5b5b5 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #190a8a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#190a8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190a8a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #190a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190a8a-a59cc4-dfaa4e-271f2d-e9ecf1?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