Color

#0f101a

#0f101a
hex#0f101a
rgbrgb(15, 16, 26)
hslhsl(235, 27%, 8%)
oklchoklch(0.177 0.021 279.6)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.0055

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a190f

#0f151a · #130f1a

#1a0f10 · #101a0f

Split-complementary

Open in tool →

#1a130f · #151a0f

#1a0f15 · #1a190f · #0f1a13

Contrast

#0f101a as textRatioAAAA largeAAAFix
Aaon white
18.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #6d72ab as the text (4.65:1)
  • AAA: use #8e92be as the text (7.01:1)
  • AA: or shift the background to #7d7d7d (4.6:1)
  • AAA: or shift the background to #9e9e9e (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f101a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f101a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f101a
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 #0f101a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f101a-9e9cc4-df8d4e-241f2d-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