Dark Blue Grey Color
Dark Blue Grey is a blue color with hex code #1F3B4D. This page covers its meaning, all color values, harmonies, colors that go with dark blue grey, shades, tints, similar colors, CSS examples, FAQs, and WCAG contrast ratios.
Dark Blue Grey Color Values
What Does Dark Blue Grey Mean?
Dark Blue Grey belongs to the blue family of colors. Blue wins popularity surveys in every culture that runs them, and corporate design reflects it. Trust and stability are the usual words people reach for. Dark navies project authority, pale blues open a layout up, and almost nothing clashes with it. Being on the dark side, Dark Blue Grey adds weight and depth. It suits text, shadows, and grounding elements more than wide-open backgrounds.
In the ISCC-NBS color naming system, Dark Blue Grey is classified as a blue (nearest centroid: dark grayish blue, #36454F). It is also known as Subterranean River.
Color Harmonies
Complementary
Analogous
Triadic
Colors That Go With Dark Blue Grey
Dark Blue Grey and #4D301F are complements, parked opposite each other on the wheel. Together they hit maximum contrast, so a rough 70/30 split keeps the pairing from shouting.
Analogous neighbors — #1F4D47 and #1F244D, which sit beside dark blue grey on the wheel. Pairings like this feel calm and settled, which suits backgrounds and gradients.
For an energetic three-color palette, pair dark blue grey with triadic partners #4D1F3B and #3B4D1F. All three sit evenly spaced around the wheel, so the scheme stays lively without clashing.
Build and test these combinations in our Color Wheel Tool or check text readability with the Contrast Checker.
Tints and Shades
Tints (lighter)
Shades (darker)
Similar Colors
- Mosaic —
#123447(Delta E 4) - Tarawera —
#073A50(Delta E 5) - Dark Grey Blue —
#29465B(Delta E 5) - Atomic —
#314459(Delta E 6) - Nile Blue —
#193751(Delta E 6)
CSS Examples
.text { color: #1F3B4D; }
.background { background-color: #1F3B4D; }
.border { border: 2px solid #1F3B4D; }
.shadow { box-shadow: 0 4px 6px #1F3B4D40; }WCAG Contrast
Frequently Asked Questions
What is the hex code for dark blue grey?
Dark Blue Grey has the hex code #1F3B4D. In RGB notation it is rgb(31, 59, 77), in HSL it is hsl(203, 43%, 21%), and its OKLCH value is 0.339, 0.047, 238.4.
What does the color dark blue grey mean?
Blue-family colors like dark blue grey carry distinct psychological associations. Dark Blue Grey belongs to the blue family of colors. Blue wins popularity surveys in every culture that runs them, and corporate design reflects it. Trust and stability are the usual words people reach for. Dark navies project authority, pale blues open a layout up, and almost nothing clashes with it. Being on the dark side, Dark Blue Grey adds weight and depth. It suits text, shadows, and grounding elements more than wide-open backgrounds.
What colors go with dark blue grey?
Dark Blue Grey has three easy routes: its complement #4D301F for punch, its neighbors #1F4D47 and #1F244D for something calmer, or triadic partners #4D1F3B and #3B4D1F when you want energy.
Is dark blue grey a standard web color?
No — Dark Blue Grey is not a CSS keyword. Use its hex value #1F3B4D or any RGB/HSL equivalent in your stylesheets.
How do I make dark blue grey lighter or darker?
To lighten dark blue grey, add white to create tints; to darken it, add black to create shades. The tints and shades table above shows five computed steps of each, from #D0E1EC (lightest tint) to #060B0F (darkest shade).
About Dark Blue Grey
Dark Blue Grey is classified as a Blue in the ISCC-NBS color naming system, within the Blue hue family. It has alternative names including Subterranean River. The color is recognized by XKCD, meodai.
Use our Color Converter to convert #1F3B4D to any other color format, or explore the Color Wheel to find harmonious color combinations.