Color

#021c41

#021c41
hex#021c41
rgbrgb(2, 28, 65)
hslhsl(215, 94%, 13%)
oklchoklch(0.233 0.078 257.2)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0123

Colors that go with #021c41

Blue Violet, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#402602

#023b40 · #070240

#40021c · #1c4002

Split-complementary

Open in tool →

#400702 · #3b4002

#40023b · #402602 · #024007

Contrast

#021c41 as textRatioAAAA largeAAAFix
Aaon white
16.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #0d6ef8 as the text (4.6:1)
  • AAA: use #5298fa as the text (7.23:1)
  • AA: or shift the background to #858585 (4.57:1)
  • AAA: or shift the background to #a8a8a8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021c41 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

#021c41 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021c41
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #021c41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021c41-9ca8c4-df5d4e-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