Palettes / Colors / #04287C

#04287C — Deep Vivid Blue

#04287C is a blue color we call Deep Vivid Blue, closest to the named color MidnightBlue (#191970). It belongs to the blue family.

Color name

Closest CSS keyword: midnightblue (#191970) — not an exact match. CSS midnightblue gives you #191970, a different color; use #04287C 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.

#04287C 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 #7C5804; it also sits naturally between #04647C and #1C047C. 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 2% · Green 16% · Blue 49%

Cyan 97% · Magenta 68% · Yellow 0% · Key 51%

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

Previews

CSS code for #04287C

.text { color: #04287C; }
.background { background-color: #04287C; }
.border { border: 3px solid #04287C; }
.text-rgb { color: rgb(4, 40, 124); }
.text-hsl { color: hsl(222, 94%, 25%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #04287C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 40, 124, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #04287C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 40, 124, 0.8); }

HTML: <p style="color:#04287C">Text here</p> · <div style="background-color:#04287C">Div content here</div>

Shades of #04287C

Tints of #04287C

Tones of #04287C

Color harmonies

Complementary — #7C5804:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #04287C: #FFFFFF.

Semi-transparent (opacity) text on #04287C

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 #04287C 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 #04287C 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

← #04287B  ·  #04287D →

Frequently asked questions

What color is #04287C?

#04287C is Deep Vivid Blue, a blue color (RGB 4, 40, 124). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #04287C?

#04287C is RGB 4, 40, 124 — HSL 222°, 94%, 25% — CMYK 97%, 68%, 0%, 51%.

What colors go with #04287C?

Its complement is #7C5804; analogous partners are #04647C and #1C047C. It also appears in 6+ palettes in our collection.

Can I use #04287C for text?

White text on #04287C has a contrast ratio of 13.13:1 (passes WCAG AA); black text gives 1.60:1.