Palettes / Colors / #0803AB

#0803AB — Vivid Blue

#0803AB is a blue color we call Vivid Blue, closest to the named color DarkBlue (#00008B). It belongs to the blue family.

Color name

Closest CSS keyword: darkblue (#00008B) — not an exact match. CSS darkblue gives you #00008B, a different color; use #0803AB when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#0803AB is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #A5AB03; it also sits naturally between #0351AB and #5C03AB. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 3% · Green 1% · Blue 67%

Cyan 95% · Magenta 98% · Yellow 0% · Key 33%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #0803AB

.text { color: #0803AB; }
.background { background-color: #0803AB; }
.border { border: 3px solid #0803AB; }
.text-rgb { color: rgb(8, 3, 171); }
.text-hsl { color: hsl(242, 97%, 34%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #0803AB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(8, 3, 171, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #0803AB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(8, 3, 171, 0.8); }

HTML: <p style="color:#0803AB">Text here</p> · <div style="background-color:#0803AB">Div content here</div>

Shades of #0803AB

Tints of #0803AB

Tones of #0803AB

Color harmonies

Complementary — #A5AB03:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #0803AB: #FFFFFF.

Semi-transparent (opacity) text on #0803AB

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #0803AB looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #0803AB rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #0803AA  ·  #0803AC →

Frequently asked questions

What color is #0803AB?

#0803AB is Vivid Blue, a blue color (RGB 8, 3, 171). Its closest standard named color is DarkBlue.

What is the RGB and HSL of #0803AB?

#0803AB is RGB 8, 3, 171 — HSL 242°, 97%, 34% — CMYK 95%, 98%, 0%, 33%.

What colors go with #0803AB?

Its complement is #A5AB03; analogous partners are #0351AB and #5C03AB. It also appears in 6+ palettes in our collection.

Can I use #0803AB for text?

White text on #0803AB has a contrast ratio of 13.03:1 (passes WCAG AA); black text gives 1.61:1.