Color

#102a33

#102a33
hex#102a33
rgbrgb(16, 42, 51)
hslhsl(195, 52%, 13%)
oklchoklch(0.269 0.036 223.3)
Closest name: Black Box (#0f282f)Relative luminance 0.0201

Tints & shades

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

Harmonies

Complementary

Open in tool →

#321910

#10322a · #101932

#32102a · #2a3210

Split-complementary

Open in tool →

#321019 · #322a10

#2a1032 · #321910 · #193210

Contrast

#102a33 as textRatioAAAA largeAAAFix
Aaon white
14.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #307d97 as the text (4.51:1)
  • AAA: use #3da1c2 as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102a33 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

#102a33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102a33
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 #102a33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102a33-9cb5c4-df4e70-1f242d-e9f1ef?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