Blue

RAL 5020

Ocean Blue

RAL 5020 Ocean Blue is a dark, atmospheric teal that captures the mysterious depth of the open ocean. This commanding shade works exceptionally well in marine infrastructure, aquarium facilities, and architectural projects inspired by deep-sea environments. Ocean Blue provides a dramatic backdrop that makes lighter accent colors and natural materials stand out. It is commonly specified for exterior cladding in coastal developments where a connection to the maritime environment is central to the design concept.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#0B4151
RGBrgb(11, 65, 81)
HSLhsl(194°, 76%, 18%)
CMYKcmyk(86%, 20%, 0%, 68%)
Color Analysis
RGB Composition
R
11
G
65
B
81
Temperature
WarmCool
Contrast Accessibility
White text
11.1:1Pass
Black text
1.9:1Fail

WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.

Spectrum & Perceptual Position

Hue Spectrum
60°120°180°240°300°360°
CIELAB a*b* Chromaticity
-4004080-4004080a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)25
a* (Green-Red)-11
b* (Blue-Yellow)-14
L* (LCh)25
C* (Chroma)18
h° (Hue)234°

CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.

Color Harmonies

Build a Palette Around Ocean Blue

Palette Generator

Select a harmony type, then press Space to reroll unlocked colors.

1 locked / 4 free

Reference + opposite hue with tonal variations

Reference
#2
Complementary
#3
Complementary
#4
Complementary
#5
Split Comp +
Pairwise Contrast Ratios
1.2:1
·
1.7:1
·
2:1
·
1.2:1

Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.

Ready to Coat in Ocean Blue?

Get a free, no-obligation quote for your project. Upload photos, describe your parts, and we will respond within one business day.