# #123045

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

## Values

- Hex: `#123045`
- RGB: rgb(18, 48, 69)
- HSL: hsl(205, 59%, 17%)
- OKLCH: oklch(0.297 0.052 242)
- Relative luminance: 0.0267
- Nearest named color: Nordic Noir (#003344, Δ 1.55) — https://brandsweets.com/colors/nordic-noir
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/123045

## Tints & shades

- Tints (toward white): #1a4665, #235c86, #2b73a6, #3389c7, #559ed3, #75b1db, #96c3e4, #b6d6ec, #d6e8f5, #f7fafd
- Shades (toward black): #112d41, #0f2739, #0e2435, #0d2231, #0c1f2d, #091924, #081620, #07141c, #050e14, #040b10

## Harmonies

- Complementary: #452712
- Analogous: #124541, #121645
- Triadic: #451230, #304512
- Split-complementary: #451216, #454112
- Tetradic: #411245, #452712, #164512

## Colors that go with #123045

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #123045's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), GEICO (https://brandsweets.com/colors/brands/geico-com), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #123045: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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: complementary] — Sienna sits directly opposite #123045 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #123045'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 #123045 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), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 19 real palettes, including Monzo's brand system and Minecraft's brand system put Blue beside #123045, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Headspace (https://brandsweets.com/colors/brands/headspace-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 6 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #123045, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #123045: 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): 13.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e7bb2 (4.59:1); AA: background → #949494 (4.51:1); AAA: text → #519cd2 (7.04:1); AAA: background → #bababa (7.05:1)

## Brands using this color

- **UEFA** — secondary #1a313c (Δ 1.938) — https://brandsweets.com/colors/brands/uefa-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/123045-9cafc4-df4e58-1f212d-e9f1f0?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: "#123045" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.