Color

#021f5f

#021f5f
hex#021f5f
rgbrgb(2, 31, 95)
hslhsl(221, 96%, 19%)
oklchoklch(0.27 0.119 262.2)
Closest name: Black Sea Night (#052462)Relative luminance 0.0182

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f4202

#024e5f · #13025f

#5f021f · #1f5f02

Split-complementary

Open in tool →

#5f1302 · #4e5f02

#5f024e · #5f4202 · #025f13

Contrast

#021f5f as textRatioAAAA largeAAAFix
Aaon white
15.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #286bfb as the text (4.59:1)
  • AAA: use #6494fc as the text (7.18:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (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 #021f5f 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

#021f5f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f5f
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 #021f5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f5f-9ca4c4-df6b4e-211f2d-e9eff1?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