# #1d290a

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

## Values

- Hex: `#1d290a`
- RGB: rgb(29, 41, 10)
- HSL: hsl(83, 61%, 10%)
- OKLCH: oklch(0.261 0.053 127.6)
- Relative luminance: 0.0187
- Nearest named color: Lindworm Green (#172808, Δ 1.063) — https://brandsweets.com/colors/lindworm-green
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/1d290a

## Tints & shades

- Tints (toward white): #374e13, #52731c, #699424, #83b92d, #9ad142, #aeda67, #c2e38c, #d3ebad, #e7f4d2, #fbfdf7
- Shades (toward black): #1a2509, #1a2509, #172108, #172108, #141d07, #111906, #111906, #0f1505, #0f1505, #0c1004

## Harmonies

- Complementary: #160a29
- Analogous: #29250a, #0e290a
- Triadic: #0a1d29, #290a1d
- Split-complementary: #0a0e29, #250a29
- Tetradic: #0a2925, #160a29, #290a0e

## Colors that go with #1d290a

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 body-text near-black for #1d290a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1d290a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: New Balance (https://brandsweets.com/colors/brands/newbalance-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Svelte (https://brandsweets.com/colors/brands/svelte-dev), AliExpress (https://brandsweets.com/colors/brands/aliexpress-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #1d290a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #1d290a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #1d290a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Astro (https://brandsweets.com/colors/brands/astro-build), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/steelblue
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #1d290a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/darkorchid
- **Amber** #ffbf00 [pool] — Amber is paired with #1d290a in 17 real palettes, including Maple and Wikipedia's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Headspace's brand system and Rolex's brand system put Blue beside #1d290a, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 15.29:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5d8320 (4.73:1); AA: background → #8c8c8c (4.55:1); AAA: text → #75a428 (7.1:1); AAA: background → #b0b0b0 (7.05:1)

## Fonts for this mood

- 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/1d290a-b0bea2-4e5ddf-222d1f-f1f0e9?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: "#1d290a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.