Color

#021f4f

#021f4f
hex#021f4f
rgbrgb(2, 31, 79)
hslhsl(217, 95%, 16%)
oklchoklch(0.254 0.095 259.6)
Closest name: Dark Soul (#112255)Relative luminance 0.0156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#503202

#024750 · #0b0250

#500220 · #205002

Split-complementary

Open in tool →

#500b02 · #475002

#500247 · #503202 · #02500b

Contrast

#021f4f as textRatioAAAA largeAAAFix
Aaon white
16.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #156df9 as the text (4.59:1)
  • AAA: use #5695fb as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.64:1)
  • AAA: or shift the background to #adadad (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 #021f4f 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

#021f4f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f4f
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 #021f4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f4f-9ca7c4-df624e-201f2d-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