# #1e2157

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

## Values

- Hex: `#1e2157`
- RGB: rgb(30, 33, 87)
- HSL: hsl(237, 49%, 23%)
- OKLCH: oklch(0.281 0.096 275.9)
- Relative luminance: 0.0205
- Nearest named color: Dark Soul (#112255, Δ 1.81) — https://brandsweets.com/colors/dark-soul
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/1e2157

## Tints & shades

- Tints (toward white): #282c76, #313690, #3c42af, #4c52c2, #6b70cc, #8589d5, #a4a7e0, #bec1e9, #dddef3, #f7f8fc
- Shades (toward black): #1b1e50, #191b48, #161841, #141539, #121435, #10112e, #0d0e26, #0a0b1e, #080917, #05060f

## Harmonies

- Complementary: #57551e
- Analogous: #1e3e57, #381e57
- Triadic: #571e21, #21571e
- Split-complementary: #57381e, #3e571e
- Tetradic: #571e3e, #57551e, #1e5738

## Colors that go with #1e2157

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 #1e2157: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #1e2157 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Cohere (https://brandsweets.com/colors/brands/cohere-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #1e2157 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #1e2157's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #1e2157'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), Discover (https://brandsweets.com/colors/brands/discover-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #1e2157 in 7 real palettes, including Southwest Airlines's brand system and Beach Hut, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blueprint (https://brandsweets.com/palettes/technical#blueprint), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Monzo's brand system and Sketch's brand system put Blue beside #1e2157, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #1e2157 in 4 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 14.89:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #676ccb (4.58:1); AA: background → #8f8f8f (4.6:1); AAA: text → #8d91d8 (7.17:1); AAA: background → #b3b3b3 (7.1:1)

## Curated palettes containing it

- **Blue Mono** (monochrome, cool, clean, technical) — #1e40af, #60a5fa, #bfdbfe, #f8fafc, #172554 — One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint. — tool: https://brandsweets.com/palettes/new/1e40af-60a5fa-bfdbfe-f8fafc-172554 — collection: https://brandsweets.com/palettes/monochrome

## 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/1e2157-9f9cc4-df924e-251f2d-e9edf1?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: "#1e2157" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.