Color

#021d88

#021d88
hex#021d88
rgbrgb(2, 29, 136)
hslhsl(228, 97%, 27%)
oklchoklch(0.314 0.176 264.3)
Closest name: darkblue (#00008b)Relative luminance 0.0267

Tints & shades

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

Harmonies

Complementary

Open in tool →

#886d02

#026088 · #2a0288

#88021d · #1d8802

Split-complementary

Open in tool →

#882a02 · #608802

#880260 · #886d02 · #02882a

Contrast

#021d88 as textRatioAAAA largeAAAFix
Aaon white
13.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #4066fc as the text (4.52:1)
  • AAA: use #728efd as the text (7:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021d88 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

#021d88 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d88
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 #021d88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d88-9c9fc4-df7c4e-231f2d-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