Palettes / Colors / #154FAC

#154FAC — Vivid Blue

#154FAC is a blue color we call Vivid Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #154FAC 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.

#154FAC 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 #AC7315; it also sits naturally between #159BAC and #2715AC. 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 8% · Green 31% · Blue 67%

Cyan 88% · Magenta 54% · Yellow 0% · Key 33%

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

Previews

CSS code for #154FAC

.text { color: #154FAC; }
.background { background-color: #154FAC; }
.border { border: 3px solid #154FAC; }
.text-rgb { color: rgb(21, 79, 172); }
.text-hsl { color: hsl(217, 78%, 38%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #154FAC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(21, 79, 172, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #154FAC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(21, 79, 172, 0.8); }

HTML: <p style="color:#154FAC">Text here</p> · <div style="background-color:#154FAC">Div content here</div>

Shades of #154FAC

Tints of #154FAC

Tones of #154FAC

Color harmonies

Complementary — #AC7315:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #154FAC: #FFFFFF.

Semi-transparent (opacity) text on #154FAC

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 #154FAC 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 #154FAC 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

← #154FAB  ·  #154FAD →

Frequently asked questions

What color is #154FAC?

#154FAC is Vivid Blue, a blue color (RGB 21, 79, 172). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #154FAC?

#154FAC is RGB 21, 79, 172 — HSL 217°, 78%, 38% — CMYK 88%, 54%, 0%, 33%.

What colors go with #154FAC?

Its complement is #AC7315; analogous partners are #159BAC and #2715AC. It also appears in 6+ palettes in our collection.

Can I use #154FAC for text?

White text on #154FAC has a contrast ratio of 7.65:1 (passes WCAG AA); black text gives 2.75:1.