Newsprint
Open in tool →Ink-black on warm paper with a single red — the broadsheet hierarchy that lets typography lead.
Color
#18181b
#18181b
hex
#18181brgb
rgb(24, 24, 27)hsl
hsl(240, 6%, 10%)oklch
oklch(0.21 0.006 285.9)Closest name: Violet Void (#1a161d)Relative luminance 0.0093
Tints & shades
Harmonies
Contrast
| #18181b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 17.72:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.19:1 | 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 #18181b as the background.
Brands using this color
- JetBrainstext · #19191c · Δ0.438
- Notionprimary · #191919 · Δ0.663
- Netlifytext · #181a1c · Δ0.713
- GitHubprimary · #181717 · Δ0.762
- Splinetext · #191a1d · Δ0.78
- Next.jstext · #171717 · Δ0.818
- Vimeotext · #141a20 · Δ1.161
- Airtabletext · #161616 · Δ1.171
- CircleCItext · #161616 · Δ1.171
- N26text · #1b1b1b · Δ1.317
- Retooltext · #151515 · Δ1.573
- Chasetext · #101820 · Δ1.661
- Runwayprimary · #141414 · Δ1.996
Palettes built around it
Gallery
Open in tool →Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work.
Ink & Paper
Open in tool →Two greys and one ink-blue link color: the palette of a well-set book page.
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.
Launch Orange
Open in tool →Orange is the rarest SaaS primary, which is exactly why it stands out on a pricing page; cyan keeps it from feeling like a hardware store.
Coffee Bar
Open in tool →Espresso and caramel: a dark-roast palette that photographs latte art beautifully.
Atelier
Open in tool →Black on bone with a whisper of gold: the runway default that lets garments carry the color.
Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Studio Grey
Open in tool →A pure greyscale with a single electric blue — the portfolio palette that makes work look considered.
Fonts for this mood
#18181b reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #18181b
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 #18181b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/18181b-a2beb0-c859d4-1f2d2b-eaf1e9?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