Palettes / Colors / #302AA3

#302AA3 — Blue

#302AA3 is a blue color we call 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 #302AA3 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.

#302AA3 is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #9CA22A; it also sits naturally between #2A60A2 and #6C2AA2. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 19% · Green 16% · Blue 64%

Cyan 71% · Magenta 74% · Yellow 0% · Key 36%

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

Previews

CSS code for #302AA3

.text { color: #302AA3; }
.background { background-color: #302AA3; }
.border { border: 3px solid #302AA3; }
.text-rgb { color: rgb(48, 42, 163); }
.text-hsl { color: hsl(243, 59%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #302AA3; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(48, 42, 163, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #302AA3; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(48, 42, 163, 0.8); }

HTML: <p style="color:#302AA3">Text here</p> · <div style="background-color:#302AA3">Div content here</div>

Shades of #302AA3

Tints of #302AA3

Tones of #302AA3

Color harmonies

Complementary — #9CA22A:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #302AA3: #FFFFFF.

Semi-transparent (opacity) text on #302AA3

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 #302AA3 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 #302AA3 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

← #302AA2  ·  #302AA4 →

Frequently asked questions

What color is #302AA3?

#302AA3 is Blue, a blue color (RGB 48, 42, 163). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #302AA3?

#302AA3 is RGB 48, 42, 163 — HSL 243°, 59%, 40% — CMYK 71%, 74%, 0%, 36%.

What colors go with #302AA3?

Its complement is #9CA22A; analogous partners are #2A60A2 and #6C2AA2. It also appears in 6+ palettes in our collection.

Can I use #302AA3 for text?

White text on #302AA3 has a contrast ratio of 10.58:1 (passes WCAG AA); black text gives 1.99:1.