Color

#101e33

#101e33
hex#101e33
rgbrgb(16, 30, 51)
hslhsl(216, 52%, 13%)
oklchoklch(0.234 0.045 258.3)
Closest name: Dark Knight (#151931)Relative luminance 0.0128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#322510

#102f32 · #131032

#32101e · #1e3210

Split-complementary

Open in tool →

#321310 · #2f3210

#32102f · #322510 · #103213

Contrast

#101e33 as textRatioAAAA largeAAAFix
Aaon white
16.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #4175c3 as the text (4.56:1)
  • AAA: use #7097d2 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101e33 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

#101e33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101e33
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 #101e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101e33-9ca7c4-df5f4e-201f2d-e9f0f1?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