Palettes / Colors / #033DBC
#033DBC — Vivid Blue
#033DBC 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 #033DBC 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.
#033DBC 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 #BA8003; it also sits naturally between #0398BA and #2403BA. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #033DBC |
|---|---|
| RGB | 3, 61, 188 |
| HSL | 221°, 97%, 37% |
| HSV | 221°, 98%, 74% |
| CMYK | 98%, 68%, 0%, 26% |
| XYZ | 10.78, 6.99, 48.36 |
| Yxy | 6.99, 0.1631, 0.1057 |
| CIE-Lab | 31.78, 36.11, -70.21 |
| Hunter Lab | 26.43, 28.41, -94.91 |
RGB & CMYK percentages
Red 1% · Green 24% · Blue 74%
Cyan 98% · Magenta 68% · Yellow 0% · Key 26%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #033DBC
.text { color: #033DBC; }
.background { background-color: #033DBC; }
.border { border: 3px solid #033DBC; }
.text-rgb { color: rgb(3, 61, 188); }
.text-hsl { color: hsl(221, 97%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #033DBC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 61, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #033DBC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 61, 188, 0.8); }
HTML: <p style="color:#033DBC">Text here</p> · <div style="background-color:#033DBC">Div content here</div>
Shades of #033DBC
Tints of #033DBC
Tones of #033DBC
Color harmonies
Complementary — #BA8003:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 8.76:1 AAA |
|---|---|
| Against black text | 2.40:1 Fails |
Best text color on #033DBC: #FFFFFF.
Semi-transparent (opacity) text on #033DBC
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #033DBC: ·
How #033DBC 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 #033DBC 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
Frequently asked questions
What color is #033DBC?
#033DBC is Vivid Blue, a blue color (RGB 3, 61, 188). Its closest standard named color is DarkBlue.
What is the RGB and HSL of #033DBC?
#033DBC is RGB 3, 61, 188 — HSL 221°, 97%, 37% — CMYK 98%, 68%, 0%, 26%.
What colors go with #033DBC?
Its complement is #BA8003; analogous partners are #0398BA and #2403BA. It also appears in 6+ palettes in our collection.
Can I use #033DBC for text?
White text on #033DBC has a contrast ratio of 8.76:1 (passes WCAG AA); black text gives 2.40:1.