# #1f290a

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

## Values

- Hex: `#1f290a`
- RGB: rgb(31, 41, 10)
- HSL: hsl(79, 61%, 10%)
- OKLCH: oklch(0.263 0.052 125)
- Relative luminance: 0.019
- Nearest named color: Lindworm Green (#172808, Δ 1.37) — https://brandsweets.com/colors/lindworm-green
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/1f290a

## Tints & shades

- Tints (toward white): #3b4e13, #57731c, #709424, #8cb92d, #a4d142, #b6da67, #c8e38c, #d7ebad, #e9f4d2, #fbfdf7
- Shades (toward black): #1c2509, #1c2509, #192108, #192108, #161d07, #131906, #131906, #101505, #101505, #0c1004

## Harmonies

- Complementary: #140a29
- Analogous: #29230a, #10290a
- Triadic: #0a1f29, #290a1f
- Split-complementary: #0a1029, #230a29
- Tetradic: #0a2923, #140a29, #290a10

## Colors that go with #1f290a

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 #1f290a: 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), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #1f290a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Zed (https://brandsweets.com/colors/brands/zed-dev), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #1f290a'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
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #1f290a — 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 #1f290a 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 #1f290a in 17 real palettes, including Maple and McDonald's's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), 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 Readymag's brand system put Blue beside #1f290a, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #1f290a in 8 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 15.22:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #617f1f (4.56:1); AA: background → #8c8c8c (4.53:1); AAA: text → #7da428 (7.21:1); AAA: background → #b0b0b0 (7.02:1)

## 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/1f290a-b2bea2-4e66df-232d1f-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: "#1f290a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.