Color

#04203e

#04203e
hex#04203e
rgbrgb(4, 32, 62)
hslhsl(211, 88%, 13%)
oklchoklch(0.242 0.066 252.9)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0141

Colors that go with #04203e

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 →

#3e2204

#043d3e · #05043e

#3e0420 · #203e04

Split-complementary

Open in tool →

#3e0504 · #3d3e04

#3e043d · #3e2204 · #043e05

Contrast

#04203e as textRatioAAAA largeAAAFix
Aaon white
16.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #0e74e1 as the text (4.6:1)
  • AAA: use #4499f3 as the text (7.1:1)
  • AA: or shift the background to #878787 (4.56:1)
  • AAA: or shift the background to #ababab (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 #04203e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#04203e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04203e
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 #04203e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04203e-9cabc4-df534e-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