Color

#021f31

#021f31
hex#021f31
rgbrgb(2, 31, 49)
hslhsl(203, 92%, 10%)
oklchoklch(0.228 0.049 239.9)
Closest name: Midnight Dreams (#002233)Relative luminance 0.0121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#311402

#02312b · #020831

#31021f · #1f3102

Split-complementary

Open in tool →

#310208 · #312b02

#2b0231 · #311402 · #083102

Contrast

#021f31 as textRatioAAAA largeAAAFix
Aaon white
16.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #087cc4 as the text (4.69:1)
  • AAA: use #0a9bf5 as the text (7.02:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021f31 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#021f31 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021f31
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 #021f31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021f31-9cb0c4-df4e5d-1f222d-e9f1f0?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