# #1c1d7d

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

## Values

- Hex: `#1c1d7d`
- RGB: rgb(28, 29, 125)
- HSL: hsl(239, 63%, 30%)
- OKLCH: oklch(0.311 0.156 272.3)
- Relative luminance: 0.0261
- Nearest named color: midnightblue (#191970, Δ 2.588) — https://brandsweets.com/colors/midnightblue
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/1c1d7d

## Tints & shades

- Tints (toward white): #23259a, #2a2cb7, #2f32d0, #4c4fd6, #696bdd, #8688e4, #a4a5ea, #bcbdf0, #dadaf7, #f7f7fd
- Shades (toward black): #191b70, #181968, #15165b, #131453, #101147, #0d0e3a, #0b0c32, #080925, #07071d, #040411

## Harmonies

- Complementary: #7d7b1c
- Analogous: #1c4e7d, #4b1c7d
- Triadic: #7d1c1e, #1e7d1c
- Split-complementary: #7d4b1c, #4e7d1c
- Tetradic: #7d1c4e, #7d7b1c, #1c7d4b

## Colors that go with #1c1d7d

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #1c1d7d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/steelblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #1c1d7d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1c1d7d: 4 real palettes, including Purina Pro Plan's brand system and Tide's brand system, as the accent. Seen in: Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Tide (https://brandsweets.com/colors/brands/tide-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #1c1d7d in 5 real palettes, including Nintendo's brand system and Pepsi's brand system, as the supporting colour. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1c1d7d: 9 real palettes, including Bank of America's brand system and Panasonic's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Skechers (https://brandsweets.com/colors/brands/skechers-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1c1d7d in 7 real palettes, including Discord's brand system and Confluent's brand system, as the lead colour. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Confluent (https://brandsweets.com/colors/brands/confluent-io), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #1c1d7d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive
- **Blue** #0000ff [pool] — 3 real palettes, including Procter & Gamble's brand system and Alaska Airlines's brand system put Blue beside #1c1d7d, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 13.8:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.52:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6567dc (4.53:1); AA: background → #949494 (4.55:1); AAA: text → #8f90e6 (7.3:1); AAA: background → #bababa (7.11:1)

## Brands using this color

- **Discord** — secondary #1a2081 (Δ 0.958) — https://brandsweets.com/colors/brands/discord
- **Visa** — primary #1a1e73 (Δ 1.754) — https://brandsweets.com/colors/brands/visa-com
- **Visa** — secondary #1a1f72 (Δ 1.928) — https://brandsweets.com/colors/brands/visa-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/1c1d7d-a09cc4-df964e-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: "#1c1d7d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.