Color

#191b76

#191b76
hex#191b76
rgbrgb(25, 27, 118)
hslhsl(239, 65%, 28%)
oklchoklch(0.298 0.149 271.8)
Closest name: midnightblue (#191970)Relative luminance 0.023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#767419

#194976 · #461976

#76191b · #1b7619

Split-complementary

Open in tool →

#764619 · #497619

#761949 · #767419 · #197646

Contrast

#191b76 as textRatioAAAA largeAAAFix
Aaon white
14.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #686adf as the text (4.72:1)
  • AAA: use #8d8fe7 as the text (7.22:1)
  • AA: or shift the background to #919191 (4.56:1)
  • AAA: or shift the background to #b5b5b5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191b76 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

#191b76 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191b76
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 #191b76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191b76-a09cc4-df964e-251f2d-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