Color

#021f64

#021f64
hex#021f64
rgbrgb(2, 31, 100)
hslhsl(222, 96%, 20%)
oklchoklch(0.275 0.126 262.7)
Closest name: Black Sea Night (#052462)Relative luminance 0.0191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#644702

#025064 · #160264

#64021f · #1f6402

Split-complementary

Open in tool →

#641602 · #506402

#640250 · #644702 · #026416

Contrast

#021f64 as textRatioAAAA largeAAAFix
Aaon white
15.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #2d6bfb as the text (4.61:1)
  • AAA: use #6492fc as the text (7.06:1)
  • AA: or shift the background to #8c8c8c (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021f64 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

#021f64 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f64
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 #021f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f64-9ca3c4-df6e4e-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