Color

#10102e

#10102e
hex#10102e
rgbrgb(16, 16, 46)
hslhsl(240, 48%, 12%)
oklchoklch(0.194 0.059 279.4)
Closest name: Infinite Night (#071037)Relative luminance 0.0068

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d2d10

#101f2d · #1f102d

#2d1010 · #102d10

Split-complementary

Open in tool →

#2d1f10 · #1f2d10

#2d101f · #2d2d10 · #102d1f

Contrast

#10102e as textRatioAAAA largeAAAFix
Aaon white
18.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #6c6ccb as the text (4.65:1)
  • AAA: use #8e8ed7 as the text (7:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10102e as the background.

Brands using this color

Fonts for this mood

#10102e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10102e
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 #10102e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10102e-a19cc4-df994e-251f2d-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