Ink & Paper
Open in tool →Two greys and one ink-blue link color: the palette of a well-set book page.
Color
#181e25
#181e25
hex
#181e25rgb
rgb(24, 30, 37)hsl
hsl(212, 21%, 12%)oklch
oklch(0.232 0.016 252.5)Closest name: Night Demons (#201b20)Relative luminance 0.0126
Colors that go with #181e25
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 #181e25 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #181e25 in 18 real palettes, including Google's brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped23 real palettes, including Signal's brand system and Bumble's brand system put Blue beside #181e25, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #181e25 in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped6 real palettes, including Graphite Mono and Estate put Blush Pink beside #181e25, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #181e25, as the accent.
Burgundy #800020
shipped4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #181e25, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #181e25 in 6 real palettes, including Coffee Bar and Kiln, as the accent.
Real palettes that use #181e25
Tints & shades
Harmonies
Contrast
| #181e25 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.78:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.25:1 | 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 #181e25 as the background.
Brands using this color
- Audisecondary · #181d25 · Δ0.37
- Airtableaccent · #181d26 · Δ0.47
- Boxtext · #151f26 · Δ0.547
- NFLaccent · #172029 · Δ0.887
- Formula 1text · #1c1c25 · Δ0.957
- WhatsAppprimary · #1c1e21 · Δ0.999
- WhatsApptext · #1c1e21 · Δ0.999
- Nokiatext · #1d1e20 · Δ1.252
- Asanasecondary · #151b26 · Δ1.335
- Fitbitprimary · #191c1d · Δ1.5
- Fitbittext · #191c1d · Δ1.5
- Braveprimary · #1c1c1d · Δ1.562
- Bravetext · #1c1c1d · Δ1.562
- Figmatext · #1e1e1e · Δ1.649
- GitLabtext · #1f1f1f · Δ1.773
- Googletext · #1f1f1f · Δ1.773
- HubSpottext · #1f1f1f · Δ1.773
- Revoluttext · #1f1f1f · Δ1.773
- Splinetext · #191a1d · Δ1.777
- Vimeotext · #141a20 · Δ1.781
- Logitechprimary · #1b1b1b · Δ1.909
- Logitechtext · #1b1b1b · Δ1.909
- N26text · #1b1b1b · Δ1.909
- NASAtext · #1b1b1b · Δ1.909
- Signalprimary · #1b1b1b · Δ1.909
- Signaltext · #1b1b1b · Δ1.909
- Netlifytext · #181a1c · Δ1.932
- Qatar Airwaysprimary · #1f212b · Δ1.963
- Qatar Airwaystext · #1f212b · Δ1.963
- Bumbleprimary · #202020 · Δ1.982
- Bumbletext · #202020 · Δ1.982
- ClickUptext · #202020 · Δ1.982
- Lamborghiniprimary · #202020 · Δ1.982
- Lamborghinitext · #202020 · Δ1.982
Palettes built around it
Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Alpine
Open in tool →Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle.
Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Diner
Open in tool →Cherry red, mint-teal and butter yellow — chrome-and-vinyl retro; the red does the work, the teal cools it.
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
#181e25 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #181e25
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 #181e25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/181e25-9caac4-df564e-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