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Collection detail

Deep Ocean Trench

Check these colors together: contrast, harmony, color-blind view →Tap a color to copy its HEX

A palette built from the deep ocean as a scientific and aesthetic space — the specific blues and blacks of depth, the bioluminescent colors of abyssal life, and the subtle phosphorescence of moving water in complete darkness. Cobalt nocturne provides the near-black navy of deep water at depth. Indigo shadow vivid adds the intense deep indigo of the middle water column. Aqua velvet clear delivers the bioluminescent aqua of deep-sea organisms — cold, clear, vivid at this depth. Seafoam bloom clear brings the lighter teal of shallower water for contrast. True gray nocturne provides the pure abyssal black.

The colors of deep ocean: abyssal navy, bioluminescent aqua, midnight indigo, seafoam glow, abyssal black. Scientific and aesthetic — from the deep trench to the surface shimmer.

OceanDeep SeaDarkNavyBioluminescent
Why this set works

The colors of deep ocean: abyssal navy, bioluminescent aqua, midnight indigo, seafoam glow, and the black of the deep trench.

Marine science and ocean research brand
Dark tech and gaming product
Luxury navy and indigo product line
Prompt words
deep ocean color palettedark blue bioluminescent paletteabyssal sea color scheme
Export ready
1. Cobalt Nocturne Muted #2A303C
2. Indigo Shadow Vivid #13247C
3. Aqua Velvet Clear #31A5A5
4. Seafoam Bloom Clear #A1E3B7
5. True Gray Nocturne #333333
:root {
  --deep-ocean-trench-1: #2A303C;
  --deep-ocean-trench-2: #13247C;
  --deep-ocean-trench-3: #31A5A5;
  --deep-ocean-trench-4: #A1E3B7;
  --deep-ocean-trench-5: #333333;
}
Dark mode pairs
#2A303C
#D3D7DF
#13247C
#A0ACE9
#31A5A5
#84D1D1
#A1E3B7
#1A4729
#333333
#D9D9D9
WCAG contrast audit

WCAG contrast ratios for all palette color pairs against white and black text.

#2A303C
13.2:1 AAA
1.6:1 Fail
#13247C
13.4:1 AAA
1.6:1 Fail
#31A5A5
3:1 AA Large
7.1:1 AAA
#A1E3B7
1.5:1 Fail
14.2:1 AAA
#333333
12.6:1 AAA
1.7:1 Fail

Color-on-color pairs:

+
1:1 Fail
+
4.4:1 AA Large
+
8.9:1 AAA
+
1:1 Fail
+
4.5:1 AA
+
9:1 AAA
+
1.1:1 Fail
+
2:1 Fail
+
4.2:1 AA Large
+
8.5:1 AAA

Palette

Each swatch links back to its individual archive detail page.

Back to collections
1
Cobalt Nocturne Muted
#2A303C
Blue · hsl(220, 18%, 20%)
2
Indigo Shadow Vivid
#13247C
Blue · hsl(230, 74%, 28%)
3
Aqua Velvet Clear
#31A5A5
Teal · hsl(180, 54%, 42%)
4
Seafoam Bloom Clear
#A1E3B7
Green · hsl(140, 54%, 76%)
5
True Gray Nocturne
#333333
Red · hsl(0, 0%, 20%)

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Ready-made tokens for Deep Ocean Trench

Copy the HEX, CSS and Tailwind on this page any time. The ZIP and dark-mode tokens count toward the free 3 exports a day (10 when signed in); Pro removes that cap on every export, including Figma tokens and Procreate swatches in the palette builder.

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From collection to Pro

This collection proves the taste and color direction. Pro removes the daily export cap on every token format, so the palette can move from reference to implementation without rationing.

LayerWhat you have hereWhat Pro adds
ScopeOne curated palette of 5 colors.The same palettes, with no daily export cap anywhere on the site.
OutputHEX, CSS and Tailwind to copy any time. The ZIP and dark-mode tokens count toward the site's free exports: 3 a day, 10 when signed in.No daily limit on any export: this ZIP (CSS, Tailwind, JSON, SCSS), the dark-mode tokens, and Figma tokens and Procreate swatches in the palette builder.
Use caseDirection finding, inspiration, and public proof.Real project handoff, implementation, and reusable production assets.