What are the hex codes in the Cobalt & Slate Shore palette?

The Cobalt & Slate Shore color palette consists of Snow #F7FAFF, Slate #707C93, Cobalt #3D31BA, Licorice #171819.

How should I use the Cobalt & Slate Shore palette on a website?

Use Snow #F7FAFF as the background, Licorice #171819 for text, Cobalt #3D31BA for buttons and links, and Slate #707C93 for accents. 2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Snow on Licorice at 16.99:1.

Which colors in Cobalt & Slate Shore have enough contrast for text?

The highest-contrast pair is #F7FAFF on #171819 with a ratio of 16.99:1, which passes WCAG AA for normal text.

#F7FAFFSnow

#707C93Slate

#3D31BACobalt

#171819Licorice

Cobalt & Slate Shore color palette

Dark Minimal White Gray Blue Black

Color codes click any value to copy

Name	HEX	RGB	HSL	OKLCH
Snow	`#F7FAFF`	`rgb(247, 250, 255)`	`hsl(218, 100%, 98%)`	`oklch(98.4% 0.007 261)`
Slate	`#707C93`	`rgb(112, 124, 147)`	`hsl(219, 14%, 51%)`	`oklch(58.5% 0.038 263)`
Cobalt	`#3D31BA`	`rgb(61, 49, 186)`	`hsl(245, 58%, 46%)`	`oklch(42.7% 0.204 277)`
Licorice	`#171819`	`rgb(23, 24, 25)`	`hsl(210, 4%, 9%)`	`oklch(20.8% 0.003 248)`

Why it works and how to use it

Cobalt & Slate Shore is a neutral-based color palette tagged dark, minimal, white. Built almost entirely from neutrals, with Snow (#F7FAFF) as the single point of color. Saturation is moderate, which keeps it flexible for both interfaces and print. The overall temperature is cool.

It works because the lightness range is wide (9% to 98%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.

Background: Snow (#F7FAFF) is the lightest color, so it belongs on large surfaces.
Text: Licorice (#171819) on #F7FAFF gives 16.99:1, passing WCAG AAA.
Primary: Cobalt (#3D31BA) is the most saturated mid-tone; use it for buttons and links (8.55:1 against the background, fine for UI elements).
Accent: Slate (#707C93) for highlights, badges and hover states.

2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Snow on Licorice at 16.99:1.

Preview on a real UI see how the palette feels in context

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Design faster with Cobalt & Slate Shore

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#F7FAFF

#707C93

#3D31BA

#171819

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Palette card

Contrast check WCAG ratios between palette colors

Pair	Sample	Ratio	Level
`#F7FAFF` on `#171819`	Aa	16.99:1	AAA
`#F7FAFF` on `#3D31BA`	Aa	8.55:1	AAA
`#707C93` on `#171819`	Aa	4.23:1	AA large only
`#F7FAFF` on `#707C93`	Aa	4.02:1	AA large only
`#707C93` on `#3D31BA`	Aa	2.13:1	Fail
`#3D31BA` on `#171819`	Aa	1.99:1	Fail

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