Color

#08103b

#08103b
hex#08103b
rgbrgb(8, 16, 59)
hslhsl(231, 76%, 13%)
oklchoklch(0.201 0.083 269)
Closest name: Infinite Night (#071037)Relative luminance 0.0074

Colors that go with #08103b

Charcoal, Dark Olive Green 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 →

#3a3308

#08293a · #1a083a

#3a0810 · #103a08

Split-complementary

Open in tool →

#3a1a08 · #293a08

#3a0829 · #3a3308 · #083a1a

Contrast

#08103b as textRatioAAAA largeAAAFix
Aaon white
18.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #546be8 as the text (4.65:1)
  • AAA: use #8192ee as the text (7.28:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #08103b as the background.

Brands using this color

Fonts for this mood

#08103b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #08103b
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 #08103b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/08103b-9c9ec4-df834e-231f2d-e9eef1?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