Color

#102123

#102123
hex#102123
rgbrgb(16, 33, 35)
hslhsl(186, 37%, 10%)
oklchoklch(0.234 0.023 205.3)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231210

#10231b · #101823

#231021 · #212310

Split-complementary

Open in tool →

#231018 · #231b10

#1b1023 · #231210 · #182310

Contrast

#102123 as textRatioAAAA largeAAAFix
Aaon white
16.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #3d7e85 as the text (4.52:1)
  • AAA: use #4fa2ab as the text (7.09:1)
  • AA: or shift the background to #858585 (4.5:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102123 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#102123 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102123
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 #102123 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102123-a2b8be-df4e86-1f262d-e9f1ee?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