# #023340

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

## Values

- Hex: `#023340`
- RGB: rgb(2, 51, 64)
- HSL: hsl(193, 94%, 13%)
- OKLCH: oklch(0.298 0.053 221.2)
- Relative luminance: 0.0275
- Nearest named color: Nordic Noir (#003344, Δ 0.744) — https://brandsweets.com/colors/nordic-noir
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/023340

## Tints & shades

- Tints (toward white): #03566d, #057594, #0698c1, #07b8e9, #25cbf8, #4dd4f9, #79dffb, #a1e8fc, #cef3fd, #f5fdff
- Shades (toward black): #022f3b, #022b36, #022731, #01232d, #01232d, #011f28, #011b23, #01171e, #011419, #011014

## Harmonies

- Complementary: #400f02
- Analogous: #02402f, #021440
- Triadic: #400233, #334002
- Split-complementary: #400214, #402f02
- Tetradic: #2f0240, #400f02, #144002

## Colors that go with #023340

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

- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #023340: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Svelte (https://brandsweets.com/colors/brands/svelte-dev). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [harmony, pool: analogous] — Denim is #023340's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #023340 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #023340: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #023340'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), Alpine (https://brandsweets.com/palettes/cool#alpine), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #023340 in 9 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), 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] — 18 real palettes, including Monzo's brand system and Instacart's brand system put Blue beside #023340, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #023340: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 13.55:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.55:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0581a3 (4.68:1); AA: background → #969696 (4.58:1); AAA: text → #06a4d0 (7.23:1); AAA: background → #bdbdbd (7.21:1)

## Brands using this color

- **UEFA** — secondary #1a313c (Δ 1.943) — https://brandsweets.com/colors/brands/uefa-com

## Curated palettes containing it

- **Lido** (summer, vivid, light, playful) — #00a6c7, #ff6b6b, #ffd166, #ffffff, #12303a — Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile. — tool: https://brandsweets.com/palettes/new/00a6c7-ff6b6b-ffd166-ffffff-12303a — collection: https://brandsweets.com/palettes/summer

## 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/023340-a2b5be-df4e75-1f242d-e9f1ef?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: "#023340" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.