# #102737

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

## Values

- Hex: `#102737`
- RGB: rgb(16, 39, 55)
- HSL: hsl(205, 55%, 14%)
- OKLCH: oklch(0.262 0.042 241.2)
- Relative luminance: 0.0184
- Nearest named color: Black Box (#0f282f, Δ 1.701) — https://brandsweets.com/colors/black-box
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/102737

## Tints & shades

- Tints (toward white): #193d57, #24567b, #2d6d9a, #3786be, #5199cd, #71acd6, #94c0e0, #b4d3e9, #d7e8f4, #f7fafd
- Shades (toward black): #0f2433, #0e212f, #0d1f2b, #0b1c28, #0a1924, #091620, #08131c, #071118, #060e14, #050b10

## Harmonies

- Complementary: #372010
- Analogous: #103734, #101337
- Triadic: #371027, #273710
- Split-complementary: #371013, #373410
- Tetradic: #341037, #372010, #133710

## Colors that go with #102737

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 #102737: softer than #000 and cool enough to feel like part of the same palette. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #102737's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), GEICO (https://brandsweets.com/colors/brands/geico-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #102737: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #102737 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 #102737's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #102737 in 18 real palettes, including Beach Hut and Wikipedia's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #102737, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #102737 in 9 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), 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): 15.36:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #327aae (4.53:1); AA: background → #8c8c8c (4.57:1); AAA: text → #599ecf (7.22:1); AAA: background → #b0b0b0 (7.08:1)

## Brands using this color

- **Microsoft** — accent #17253d (Δ 1.72) — https://brandsweets.com/colors/brands/microsoft-com
- **Monzo** — primary #14233c (Δ 1.908) — https://brandsweets.com/colors/brands/monzo-com

## Curated palettes containing it

- **Beach Hut** (summer, light, clean, cool) — #2e86ab, #f6bd60, #f28482, #fbfcfd, #1b2a38 — Sea blue with sun-bleached yellow and a coral — striped-canvas summer, softened so it works on a screen. — tool: https://brandsweets.com/palettes/new/2e86ab-f6bd60-f28482-fbfcfd-1b2a38 — collection: https://brandsweets.com/palettes/summer

## 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/102737-9cafc4-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: "#102737" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.