Color

#100f2f

#100f2f
hex#100f2f
rgbrgb(16, 15, 47)
hslhsl(242, 52%, 12%)
oklchoklch(0.192 0.062 280.2)
Closest name: Infinite Night (#071037)Relative luminance 0.0066

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d2f0f

#0f1e2f · #200f2f

#2f100f · #0f2f10

Split-complementary

Open in tool →

#2f200f · #1e2f0f

#2f0f1e · #2d2f0f · #0f2f20

Contrast

#100f2f as textRatioAAAA largeAAAFix
Aaon white
18.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #6b68cf as the text (4.51:1)
  • AAA: use #918fdc as the text (7.17:1)
  • AA: or shift the background to #7d7d7d (4.51:1)
  • AAA: or shift the background to #a1a1a1 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100f2f 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

#100f2f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100f2f
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 #100f2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100f2f-a29cc4-df9e4e-261f2d-e9edf1?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