# #13256c

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

## Values

- Hex: `#13256c`
- RGB: rgb(19, 37, 108)
- HSL: hsl(228, 70%, 25%)
- OKLCH: oklch(0.302 0.125 267.2)
- Relative luminance: 0.0254
- Nearest named color: Black Sea Night (#052462, Δ 2.263) — https://brandsweets.com/colors/black-sea-night
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/13256c

## Tints & shades

- Tints (toward white): #182f8b, #1f3bad, #2446cc, #3858dc, #5a75e2, #798fe7, #97a8ed, #b5c1f2, #d8def8, #f6f8fd
- Shades (toward black): #122264, #101f5b, #0f1c52, #0d194a, #0b1641, #091234, #080f2b, #060c23, #05091a, #030611

## Harmonies

- Complementary: #6c5b13
- Analogous: #13526c, #2e136c
- Triadic: #6c1325, #256c13
- Split-complementary: #6c2e13, #526c13
- Tetradic: #6c1352, #6c5b13, #136c2e

## Colors that go with #13256c

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 #13256c: softer than #000 and cool enough to feel like part of the same palette. Seen in: CeraVe (https://brandsweets.com/colors/brands/cerave-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #13256c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and Monzo's brand system put Blue beside #13256c, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #13256c: 6 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #13256c: 5 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent. Seen in: Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Glacier (https://brandsweets.com/palettes/cool#glacier), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #13256c: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #13256c in 6 real palettes, including Nintendo's brand system and Casper Sleep's brand system, as the supporting colour. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #13256c: 4 real palettes, including Kraken's brand system and Deep Water, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 13.92:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #526ee0 (4.67:1); AA: background → #949494 (4.59:1); AAA: text → #7d92e8 (7.15:1); AAA: background → #b8b8b8 (7.02:1)

## Brands using this color

- **Visa** — secondary #1a1f72 (Δ 1.771) — https://brandsweets.com/colors/brands/visa-com
- **Nintendo** — primary #042c6c (Δ 1.929) — https://brandsweets.com/colors/brands/nintendo-com

## 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/13256c-9c9fc4-df7c4e-231f2d-e9eff1?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: "#13256c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.