Color

#1f1f84

#1f1f84
hex#1f1f84
rgbrgb(31, 31, 132)
hslhsl(240, 62%, 32%)
oklchoklch(0.324 0.162 272.7)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0294

Tints & shades

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

Harmonies

Complementary

Open in tool →

#84841f

#1f5284 · #521f84

#841f1f · #1f841f

Split-complementary

Open in tool →

#84521f · #52841f

#841f52 · #84841f · #1f8452

Contrast

#1f1f84 as textRatioAAAA largeAAAFix
Aaon white
13.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #6a6adc as the text (4.71:1)
  • AAA: use #8f8fe5 as the text (7.23:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f1f84 as the background.

Brands using this color

Fonts for this mood

#1f1f84 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f1f84
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 #1f1f84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f1f84-a19cc4-df994e-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