# #151cd5

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

## Values

- Hex: `#151cd5`
- RGB: rgb(21, 28, 213)
- HSL: hsl(238, 82%, 46%)
- OKLCH: oklch(0.414 0.26 266.4)
- Relative luminance: 0.0579
- Nearest named color: Lapis on Neptune (#1f22d2, Δ 1.275) — https://brandsweets.com/colors/lapis-on-neptune
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/151cd5

## Tints & shades

- Tints (toward white): #1c22e9, #3339eb, #4f54ee, #666af0, #7d81f2, #9497f4, #abaef7, #c7c9f9, #dfdffc, #f6f6fe
- Shades (toward black): #1319c3, #1117b0, #0f1499, #0d1187, #0b0f74, #0a0d61, #080a4f, #060738, #040525, #020213

## Harmonies

- Complementary: #d5cf15
- Analogous: #157cd5, #6f15d5
- Triadic: #d5151c, #1cd515
- Split-complementary: #d56f15, #7cd515
- Tetradic: #d5157c, #d5cf15, #15d56f

## Colors that go with #151cd5

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 #151cd5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #151cd5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Behance (https://brandsweets.com/colors/brands/behance-net), Pepsi (https://brandsweets.com/colors/brands/pepsi-com). — https://brandsweets.com/colors/crimson
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #151cd5: 5 real palettes, including Canva's brand system and Spotify's brand system, as the supporting colour. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #151cd5: 5 real palettes, including Activision's brand system and Unilever's brand system, as the supporting colour. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #151cd5: 6 real palettes, including Cargo's brand system and Readymag's brand system, as the lead colour. Seen in: Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com), Absolut (https://brandsweets.com/colors/brands/absolut-com). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #151cd5 in 4 real palettes, including Spotify's brand system and Unity's brand system, as the lead colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 11 real palettes, including Monzo's brand system and Sketch's brand system put Midnight Blue beside #151cd5, as the lead colour. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Air France (https://brandsweets.com/colors/brands/airfrance-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #151cd5 in 9 real palettes, including Intercom's brand system and Doordash's brand system, as the supporting colour. Seen in: Intercom (https://brandsweets.com/colors/brands/intercom-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 9.73:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.16:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6166ef (4.66:1); AA: background → #b3b3b3 (4.64:1); AAA: text → #8b8ef4 (7.27:1); AAA: background → #dbdbdb (7.03:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/151cd5-9f9cc4-df944e-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: "#151cd5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.