# #10001e

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#10001e`
- RGB: rgb(16, 0, 30)
- HSL: hsl(272, 100%, 6%)
- OKLCH: oklch(0.136 0.07 306.9)
- Relative luminance: 0.002
- Nearest named color: Glossy Black (#110011, Δ 2.94) — https://brandsweets.com/colors/glossy-black
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/10001e

## Tints & shades

- Tints (toward white): #29004d, #41007a, #5c00ad, #7500db, #8d0aff, #a238ff, #b866ff, #cf99ff, #e5c7ff, #faf5ff
- Shades (toward black): #10001f, #10001f, #0e0019, #0e0019, #0e0019, #0e0019, #0e0019, #0b0014, #0b0014, #0b0014

## Harmonies

- Complementary: #0e1f00
- Analogous: #01001f, #1f001e
- Triadic: #1f1000, #001f10
- Split-complementary: #1e1f00, #001f01
- Tetradic: #1f0100, #0e1f00, #001e1f

## Colors that go with #10001e

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #10001e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #10001e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Webflow (https://brandsweets.com/colors/brands/webflow-com), Framer (https://brandsweets.com/colors/brands/framer), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #10001e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Asana (https://brandsweets.com/colors/brands/asana-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/seagreen
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #10001e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Clinic (https://brandsweets.com/palettes/clean#clinic), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #10001e in 13 real palettes, including Southwest Airlines's brand system and Lemon Squeezy's brand system, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Pfizer's brand system and League of Legends's brand system put Blue beside #10001e, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #10001e in 9 real palettes, including Gemstone and Circuit, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Circuit (https://brandsweets.com/palettes/technical#circuit), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/blueviolet
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #10001e: 4 real palettes, including Estate and Arctic, as the supporting colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Arctic (https://brandsweets.com/palettes/clean#arctic), SoFi (https://brandsweets.com/colors/brands/sofi-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 20.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.04:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a238ff (4.55:1); AA: background → #787878 (4.57:1); AAA: text → #bf75ff (7.2:1); AAA: background → #999999 (7.08:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/10001e-b69cc4-c5cb62-2d1f2d-eae9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#10001e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.