Color

#0a241e

#0a241e
hex#0a241e
rgbrgb(10, 36, 30)
hslhsl(166, 57%, 9%)
oklchoklch(0.238 0.034 175.7)
Closest name: Nightmare (#112211)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#240a10

#0a2411 · #0a1d24

#1e0a24 · #241e0a

Split-complementary

Open in tool →

#240a1d · #24110a

#110a24 · #240a10 · #1d240a

Contrast

#0a241e as textRatioAAAA largeAAAFix
Aaon white
16.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #24846e as the text (4.6:1)
  • AAA: use #2ea88c as the text (7.1:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a241e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#0a241e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a241e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #0a241e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a241e-a2bebb-d459b1-1f2a2d-e9f1ec?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