Ink & Paper
Open in tool →Two greys and one ink-blue link color: the palette of a well-set book page.
Color
#191b24
#191b24
hex
#191b24rgb
rgb(25, 27, 36)hsl
hsl(229, 18%, 12%)oklch
oklch(0.224 0.018 275.1)Closest name: Night Demons (#201b20)Relative luminance 0.0112
Colors that go with #191b24
Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #191b24 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #191b24 in 18 real palettes, including Warner Bros.'s brand system and Google's brand system, as the accent.
Blue #0000ff
shipped25 real palettes, including Signal's brand system and Warp's brand system put Blue beside #191b24, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #191b24 in 10 real palettes, including Yahoo's brand system and ClickUp's brand system, as the supporting colour.
Blush Pink #e8b4b8
shipped5 real palettes, including Graphite Mono and Estate put Blush Pink beside #191b24, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #191b24, as the accent.
Burgundy #800020
shipped4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #191b24, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #191b24 in 6 real palettes, including Coffee Bar and Kiln, as the accent.
Real palettes that use #191b24
Tints & shades
Harmonies
Contrast
| #191b24 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 17.16:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.22:1 | 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 #191b24 as the background.
Brands using this color
- Audisecondary · #181d25 · Δ0.697
- Formula 1text · #1c1c25 · Δ0.707
- Airtableaccent · #181d26 · Δ0.714
- Asanasecondary · #151b26 · Δ0.776
- Qatar Airwayssecondary · #181825 · Δ1.202
- Vimeotext · #141a20 · Δ1.262
- Splinetext · #191a1d · Δ1.332
- Boxtext · #151f26 · Δ1.463
- Philipsprimary · #15191e · Δ1.506
- Philipstext · #15191e · Δ1.506
- JetBrainstext · #19191c · Δ1.539
- WhatsAppprimary · #1c1e21 · Δ1.539
- WhatsApptext · #1c1e21 · Δ1.539
- Fitbitprimary · #191c1d · Δ1.554
- Fitbittext · #191c1d · Δ1.554
- Netlifytext · #181a1c · Δ1.559
- Pinteresttext · #211922 · Δ1.608
- Braveprimary · #1c1c1d · Δ1.615
- Bravetext · #1c1c1d · Δ1.615
- Nokiatext · #1d1e20 · Δ1.738
- NFLaccent · #172029 · Δ1.778
- Logitechprimary · #1b1b1b · Δ1.792
- Logitechtext · #1b1b1b · Δ1.792
- N26text · #1b1b1b · Δ1.792
- NASAtext · #1b1b1b · Δ1.792
- Signalprimary · #1b1b1b · Δ1.792
- Signaltext · #1b1b1b · Δ1.792
- Hingetext · #1a1a1a · Δ1.892
- Louis Vuittonprimary · #1a1a1a · Δ1.892
- Louis Vuittontext · #1a1a1a · Δ1.892
- Spectrumprimary · #1a1a1a · Δ1.892
- Spectrumtext · #1a1a1a · Δ1.892
- Warner Bros.primary · #1a1a1a · Δ1.892
- Warner Bros.text · #1a1a1a · Δ1.892
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.
Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Studio Grey
Open in tool →A pure greyscale with a single electric blue — the portfolio palette that makes work look considered.
Fireside
Open in tool →Cranberry, pine and brass on a charcoal night — the holiday palette without the clichés, because the surface is cold.
Fonts for this mood
#191b24 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #191b24
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #191b24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/191b24-9c9fc4-df7e4e-231f2d-e9eef1?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