# #180e39

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

## Values

- Hex: `#180e39`
- RGB: rgb(24, 14, 57)
- HSL: hsl(254, 61%, 14%)
- OKLCH: oklch(0.208 0.079 288.2)
- Relative luminance: 0.008
- Nearest named color: Midnight Monarch (#1c0f33, Δ 1.54) — https://brandsweets.com/colors/midnight-monarch
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/180e39

## Tints & shades

- Tints (toward white): #26165a, #351f7f, #4327a0, #5330c5, #6a4ad3, #856bdb, #a490e4, #bfb1ec, #ddd6f5, #f8f7fd
- Shades (toward black): #160d35, #150c31, #130b2d, #110a29, #0f0925, #0e0821, #0c071d, #0a0619, #090515, #070410

## Harmonies

- Complementary: #2f390e
- Analogous: #0e1a39, #2e0e39
- Triadic: #39180e, #0e3918
- Split-complementary: #392e0e, #1a390e
- Tetradic: #390e1a, #2f390e, #0e392e

## Colors that go with #180e39

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 #180e39: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Audi (https://brandsweets.com/colors/brands/audi-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: analogous] — Denim is #180e39's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: British Airways (https://brandsweets.com/colors/brands/britishairways-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #180e39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Intel (https://brandsweets.com/colors/brands/intel-com), Asana (https://brandsweets.com/colors/brands/asana-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #180e39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Oatly (https://brandsweets.com/colors/brands/oatly-com), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #180e39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #180e39 in 18 real palettes, including Southwest Airlines's brand system and Blueprint, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 19 real palettes, including Penpot's brand system and League of Legends's brand system put Blue beside #180e39, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #180e39 in 10 real palettes, including Gemstone and Yahoo's brand system, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), 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): 18.09:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.16:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7f63d9 (4.69:1); AA: background → #808080 (4.58:1); AAA: text → #9d88e2 (7.05:1); AAA: background → #a1a1a1 (7:1)

## Brands using this color

- **Penpot** — primary #100c3c (Δ 1.875) — https://brandsweets.com/colors/brands/penpot-app

## 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/180e39-aa9cc4-dfbb4e-291f2d-e9ebf1?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: "#180e39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
