Color

#23012d

#23012d
hex#23012d
rgbrgb(35, 1, 45)
hslhsl(286, 96%, 9%)
oklchoklch(0.191 0.089 317.5)
Closest name: Coal Mine (#220033)Relative luminance 0.0057

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b2d01

#0d012d · #2d0121

#2d2301 · #012d23

Split-complementary

Open in tool →

#212d01 · #012d0d

#2d0d01 · #0b2d01 · #01212d

Contrast

#23012d as textRatioAAAA largeAAAFix
Aaon white
18.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #bd05f5 as the text (4.5:1)
  • AAA: use #d864fc as the text (7.15:1)
  • AA: or shift the background to #7d7d7d (4.58:1)
  • AAA: or shift the background to #9e9e9e (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23012d 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

#23012d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23012d
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 #23012d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23012d-bd9fc1-adcb62-2d1f2a-ece9f1?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