# #10179d

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

## Values

- Hex: `#10179d`
- RGB: rgb(16, 23, 157)
- HSL: hsl(237, 82%, 34%)
- OKLCH: oklch(0.337 0.203 267)
- Relative luminance: 0.0316
- Nearest named color: Deepsea Kraken (#082599, Δ 2.045) — https://brandsweets.com/colors/deepsea-kraken
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/10179d

## Tints & shades

- Tints (toward white): #121bba, #161fda, #252fe9, #454eed, #6168ef, #7d83f2, #9ea2f5, #b9bdf8, #dadcfb, #f6f6fe
- Shades (toward black): #0e1590, #0d1382, #0b1174, #0a0f66, #090d58, #070b4a, #06093c, #05072e, #030520, #020313

## Harmonies

- Complementary: #9e9710
- Analogous: #105e9e, #50109e
- Triadic: #9e1017, #179e10
- Split-complementary: #9e5010, #5e9e10
- Tetradic: #9e105e, #9e9710, #109e50

## Colors that go with #10179d

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

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #10179d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #10179d'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), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/steelblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #10179d: 6 real palettes, including Bank of America's brand system and Warbyparker's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #10179d in 7 real palettes, including Nivea's brand system and Discord's brand system, as the supporting colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Discord (https://brandsweets.com/colors/brands/discord), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #10179d 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 Pfizer's brand system and Procter & Gamble's brand system put Blue beside #10179d, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #10179d: 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). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #10179d in 3 real palettes, including Tide's brand system and NASA's brand system, as the accent. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Intercom (https://brandsweets.com/colors/brands/intercom-com). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 12.87:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.63:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5d64ef (4.53:1); AA: background → #999999 (4.52:1); AAA: text → #868cf3 (7.06:1); AAA: background → #c2c2c2 (7.23:1)

## Brands using this color

- **Pepsi** — primary #0e0e96 (Δ 1.845) — https://brandsweets.com/colors/brands/pepsi-com
- **Pepsi** — accent #0e0e96 (Δ 1.845) — https://brandsweets.com/colors/brands/pepsi-com

## 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/10179d-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: "#10179d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.