Gallery
Open in tool →Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work.
Color
#12171c
#12171c
hex
#12171crgb
rgb(18, 23, 28)hsl
hsl(210, 22%, 9%)oklch
oklch(0.202 0.013 248.5)Closest name: Eigengrau (#16161d)Relative luminance 0.0083
Tints & shades
Harmonies
Contrast
| #12171c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.03:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.17:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12171c as the background.
Brands using this color
- Chasetext · #101820 · Δ0.808
- Airtabletext · #161616 · Δ1.273
- CircleCItext · #161616 · Δ1.273
- Vimeotext · #141a20 · Δ1.292
- Next.jstext · #171717 · Δ1.296
- Retooltext · #151515 · Δ1.398
- GitHubprimary · #181717 · Δ1.427
- JetBrainstext · #19191c · Δ1.566
- Runwayprimary · #141414 · Δ1.641
- Netlifytext · #181a1c · Δ1.662
- Notionprimary · #191919 · Δ1.722
- Splinetext · #191a1d · Δ1.788
- Anthropictext · #141413 · Δ1.793
- Perplexitytext · #091717 · Δ1.842
- Lemon Squeezytext · #121217 · Δ1.879
- Monzotext · #091723 · Δ1.885
Palettes built around it
Console Light
Open in tool →A sober docs palette: one blue for interactive, one green for success, zinc greys for everything else.
Graphite
Open in tool →A greyscale system with a single amber — the accent does all the work, so allow one per screen.
Atelier
Open in tool →Black on bone with a whisper of gold: the runway default that lets garments carry the color.
Estate
Open in tool →Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color.
Fonts for this mood
#12171c reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #12171c
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #12171c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/12171c-9cabc4-df514e-1f202d-e9f1f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md