Dark Blue Color Hex Code, RGB & HSL Values

What is the meaning of the Dark Blue color?

Dark Blue is a deep, authoritative shade of blue. It is widely selected by financial institutions and government agencies to communicate safety, trust, long-term stability, and intelligence.

How to use the Dark Blue color hex code in HTML & CSS?

To style elements with Dark Blue on a website, use the hex code #00008B in your HTML/CSS. Adding background-color: #00008B; will render the color. In Tailwind CSS, you can apply this shade dynamically using classes like bg-[#00008B] or configuring it as a color variable in your configuration file.

What are the RGB and HSL codes of Dark Blue?

In the digital sRGB spectrum, the Dark Blue color code is mapped to RGB values of Red: 0, Green: 0, and Blue: 139. In the HSL system, it registers at hue angle 240°, saturation 100%, and lightness index 27%. It represents a dark, rich color characterized by a highly vivid, intense, and brilliant shade.

CMYK print profiles for Dark Blue color

To reproduce the named shade Dark Blue in print systems, the CMYK ink configuration requires 100% Cyan, 100% Magenta, 0% Yellow, and 45% black. In digital designs, blue coordinates like this are highly favored by technical and corporate platforms to foster user trust, stability, and clean readability.

Red Channel 0

Green Channel 0

Blue Channel 139

Luminance 0.019

⇄ Dark Blue Color Space Conversions

Click to copy format

HEX Color Code #00008B

RGB (Red Green Blue) rgb(0, 0, 139)

HSL (Hue Sat Light) hsl(240°, 100%, 27%)

CMYK (Commercial Print) cmyk(100%, 100%, 0%, 45%)

HSV / HSB Values hsv(240°, 100%, 55%)

Decimal Color Code 139

CSS Custom Variable --color-hex: #00008B;

Tailwind CSS Utility bg-[#00008B]

CSS Named Color darkblue

◎ Contrast & Accessibility (WCAG 2.1) Check

White Text on Background

White text readability test with #00008B

Small body copy preview

Black Text on Background

Black text readability test with #00008B

Small body copy preview

◈ Complementary & Analogous Harmonies

Computed dynamically

▤ Shades & Tints Generator Matrix

Copy shade hex values instantly

Darker Shades (Adding Black)

Lighter Tints (Adding White)

{ } CSS Custom Properties (Variables)

Copy CSS Styles

/* CSS Custom Properties for Dark Blue */
--color-hex: #00008B;
--color-rgb: rgb(0, 0, 139);
--color-hsl: hsl(240deg, 100%, 27%);
--color-name: darkblue;

Aa Known Color Aliases

✦ Dark Blue Color Meaning

In design psychology, Dark Blue is classified as a blue shade, inheriting its psychological associations. The blue hue is the most popular color worldwide, chosen by more people across genders and cultures than any other hue. Psychologically, blue creates feelings of trust, reliability, and calm. It lowers blood pressure and heart rate, making it the premier color in healthcare, finance, and technology. Dark blues like navy communicate authority and professionalism, while lighter blues suggest openness and freedom. The sky and ocean — two of humanity's most expansive visual experiences — are blue, giving the color an intrinsic association with infinite depth and possibility. Fortune 500 companies choose blue more than any other color precisely for its trust-building properties.

Emotions & Associations

DepthProfessionalismSerenityTrust

Industries

AviationHealthcareGovernment