Color

#021d3b

#021d3b
hex#021d3b
rgbrgb(2, 29, 59)
hslhsl(212, 93%, 12%)
oklchoklch(0.23 0.067 253.2)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b2002

#02393b · #04023b

#3b021d · #1d3b02

Split-complementary

Open in tool →

#3b0402 · #393b02

#3b0239 · #3b2002 · #023b04

Contrast

#021d3b as textRatioAAAA largeAAAFix
Aaon white
16.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #0973ec as the text (4.68:1)
  • AAA: use #4498f8 as the text (7.09:1)
  • 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 #021d3b 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

#021d3b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d3b
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 #021d3b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d3b-9caac4-df564e-1f202d-e9f1f1?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