Dark Blue Color
Dark Blue is a blue color with hex code #00035B. This page covers its meaning, all color values, harmonies, colors that go with dark blue, shades, tints, similar colors, CSS examples, FAQs, and WCAG contrast ratios.
Dark Blue Color Values
What Does Dark Blue Mean?
Dark Blue 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 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 is classified as a blue (nearest centroid: vivid purplish blue, #30267A). It is also known as Abyssal Blue.
Color Harmonies
Complementary
Analogous
Triadic
Colors That Go With Dark Blue
Dark Blue and #5C5900 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 — #00315C and #2B005C, which sit beside dark blue on the wheel. Pairings like this feel calm and settled, which suits backgrounds and gradients.
For an energetic three-color palette, pair dark blue with triadic partners #5C0003 and #035C00. 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
- Arapawa —
#110C6C(Delta E 6) - Paua —
#260368(Delta E 8) - Paris M —
#26056A(Delta E 8) - Cherry Pie —
#2A0359(Delta E 9) - Violent Violet —
#290C5E(Delta E 9)
CSS Examples
.text { color: #00035B; }
.background { background-color: #00035B; }
.border { border: 2px solid #00035B; }
.shadow { box-shadow: 0 4px 6px #00035B40; }WCAG Contrast
Frequently Asked Questions
What is the hex code for dark blue?
Dark Blue has the hex code #00035B. In RGB notation it is rgb(0, 3, 91), in HSL it is hsl(238, 100%, 18%), and its OKLCH value is 0.217, 0.145, 264.2.
What does the color dark blue mean?
Blue-family colors like dark blue carry distinct psychological associations. Dark Blue 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 adds weight and depth. It suits text, shadows, and grounding elements more than wide-open backgrounds.
What colors go with dark blue?
Dark Blue has three easy routes: its complement #5C5900 for punch, its neighbors #00315C and #2B005C for something calmer, or triadic partners #5C0003 and #035C00 when you want energy.
Is dark blue a standard web color?
No — Dark Blue is not a CSS keyword. Use its hex value #00035B or any RGB/HSL equivalent in your stylesheets.
How do I make dark blue lighter or darker?
To lighten dark blue, 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 #B8BAFF (lightest tint) to #00010F (darkest shade).
About Dark Blue
Dark Blue is classified as a Blue in the ISCC-NBS color naming system, within the Blue hue family. It has alternative names including Abyssal Blue. The color is recognized by XKCD, meodai.
Use our Color Converter to convert #00035B to any other color format, or explore the Color Wheel to find harmonious color combinations.