Color

#191f61

#191f61
hex#191f61
rgbrgb(25, 31, 97)
hslhsl(235, 59%, 24%)
oklchoklch(0.283 0.115 272.5)
Closest name: Black Sea Night (#052462)Relative luminance 0.0205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#615b19

#194361 · #371961

#61191f · #1f6119

Split-complementary

Open in tool →

#613719 · #436119

#611943 · #615b19 · #196137

Contrast

#191f61 as textRatioAAAA largeAAAFix
Aaon white
14.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #616bd6 as the text (4.58:1)
  • AAA: use #8991e1 as the text (7.2:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (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 #191f61 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

#191f61 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191f61
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 #191f61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191f61-9e9cc4-df8d4e-241f2d-e9eef1?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