Color

#02152c

#02152c
hex#02152c
rgbrgb(2, 21, 44)
hslhsl(213, 91%, 9%)
oklchoklch(0.195 0.054 253)
Closest name: Infinite Night (#071037)Relative luminance 0.0073

Colors that go with #02152c

Charcoal, Crimson and Rust 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 →

#2c1902

#022a2c · #04022c

#2c0215 · #152c02

Split-complementary

Open in tool →

#2c0402 · #2a2c02

#2c022a · #2c1902 · #022c04

Contrast

#02152c as textRatioAAAA largeAAAFix
Aaon white
18.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #0b72ef as the text (4.67:1)
  • AAA: use #4b98f7 as the text (7.13:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (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 #02152c as the background.

Brands using this color

Fonts for this mood

#02152c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02152c
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 #02152c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02152c-9ca9c4-df584e-1f202d-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