Color

#102a2e

#102a2e
hex#102a2e
rgbrgb(16, 42, 46)
hslhsl(188, 48%, 12%)
oklchoklch(0.266 0.033 208.6)
Closest name: Black Box (#0f282f)Relative luminance 0.0196

Colors that go with #102a2e

Charcoal, Rust and Sienna 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 →

#2d1410

#102d23 · #101b2d

#2d1029 · #292d10

Split-complementary

Open in tool →

#2d101b · #2d2310

#23102d · #2d1410 · #1b2d10

Contrast

#102a2e as textRatioAAAA largeAAAFix
Aaon white
15.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #31808c as the text (4.6:1)
  • AAA: use #3ea2b1 as the text (7.01:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102a2e 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

#102a2e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102a2e
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 #102a2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102a2e-a2b7be-df4e81-1f252d-e9f1ee?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