Color

#021f5a

#021f5a
hex#021f5a
rgbrgb(2, 31, 90)
hslhsl(220, 96%, 18%)
oklchoklch(0.265 0.112 261.6)
Closest name: Dark Soul (#112255)Relative luminance 0.0173

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a3d02

#024b5a · #11025a

#5a021f · #1f5a02

Split-complementary

Open in tool →

#5a1102 · #4b5a02

#5a024b · #5a3d02 · #025a11

Contrast

#021f5a as textRatioAAAA largeAAAFix
Aaon white
15.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #236bfb as the text (4.57:1)
  • AAA: use #5f93fc as the text (7.07:1)
  • AA: or shift the background to #8a8a8a (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021f5a 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

#021f5a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f5a
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 #021f5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f5a-9ca5c4-df694e-211f2d-e9f0f1?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