Color

#021f69

#021f69
hex#021f69
rgbrgb(2, 31, 105)
hslhsl(223, 96%, 21%)
oklchoklch(0.281 0.133 263)
Closest name: Black Sea Night (#052462)Relative luminance 0.0201

Tints & shades

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

Harmonies

Complementary

Open in tool →

#694c02

#025369 · #180269

#69021f · #1f6902

Split-complementary

Open in tool →

#691802 · #536902

#690253 · #694c02 · #026918

Contrast

#021f69 as textRatioAAAA largeAAAFix
Aaon white
14.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #326bfb as the text (4.63:1)
  • AAA: use #6993fc as the text (7.18:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021f69 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

#021f69 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f69
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 #021f69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f69-9ca3c4-df704e-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