Color

#021b73

#021b73
hex#021b73
rgbrgb(2, 27, 115)
hslhsl(227, 97%, 23%)
oklchoklch(0.285 0.151 264.1)
Closest name: midnightblue (#191970)Relative luminance 0.0203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#745b02

#025374 · #220274

#74021a · #1a7402

Split-complementary

Open in tool →

#742202 · #537402

#740253 · #745b02 · #027422

Contrast

#021b73 as textRatioAAAA largeAAAFix
Aaon white
14.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #4069fc as the text (4.64:1)
  • AAA: use #7290fd as the text (7.12:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021b73 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

#021b73 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021b73
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 #021b73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021b73-9ca0c4-df7a4e-221f2d-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