# #043427

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

## Values

- Hex: `#043427`
- RGB: rgb(4, 52, 39)
- HSL: hsl(164, 86%, 11%)
- OKLCH: oklch(0.29 0.055 169.6)
- Relative luminance: 0.0263
- Nearest named color: Pitch-Black Forests (#003322, Δ 0.972) — https://brandsweets.com/colors/pitch-black-forests
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/043427

## Tints & shades

- Tints (toward white): #075f47, #0a8564, #0daf84, #10daa4, #2aefba, #50f2c7, #7af5d4, #a5f8e2, #cbfbee, #f6fefc
- Shades (toward black): #042f24, #042f24, #032b20, #03261d, #03261d, #022119, #021c15, #021812, #021812, #01130e

## Harmonies

- Complementary: #340411
- Analogous: #04340f, #042934
- Triadic: #270434, #342704
- Split-complementary: #340429, #340f04
- Tetradic: #0f0434, #340411, #293404

## Colors that go with #043427

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 #043427: softer than #000 and cool enough to feel like part of the same palette. Seen in: Chobani (https://brandsweets.com/colors/brands/chobani-com), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #043427: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Svelte (https://brandsweets.com/colors/brands/svelte-dev), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #043427 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #043427's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #043427 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: T-Mobile (https://brandsweets.com/colors/brands/t-mobile-com). — https://brandsweets.com/colors/mediumvioletred
- **Amber** #ffbf00 [pool] — Amber is paired with #043427 in 10 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 17 real palettes, including Instacart's brand system and Headspace's brand system put Blue beside #043427, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 6 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #043427, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 13.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0a8564 (4.55:1); AA: background → #949494 (4.54:1); AAA: text → #0dab81 (7.16:1); AAA: background → #bababa (7.09:1)

## Brands using this color

- **Retool** — secondary #0e352c (Δ 1.234) — https://brandsweets.com/colors/brands/retool-com

## 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/043427-a2beba-d459b5-1f2b2d-e9f1eb?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: "#043427" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.