Palettes / Colors / #033FA1
#033FA1 — Vivid Blue
#033FA1 is a blue color we call 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 #033FA1 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.
#033FA1 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 #A06403; it also sits naturally between #038EA0 and #1603A0. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #033FA1 |
|---|---|
| RGB | 3, 63, 161 |
| HSL | 217°, 96%, 32% |
| HSV | 217°, 98%, 63% |
| CMYK | 98%, 61%, 0%, 37% |
| XYZ | 8.25, 6.15, 34.47 |
| Yxy | 6.15, 0.1688, 0.1258 |
| CIE-Lab | 29.78, 24.03, -57.37 |
| Hunter Lab | 24.79, 17.59, -68.97 |
RGB & CMYK percentages
Red 1% · Green 25% · Blue 63%
Cyan 98% · Magenta 61% · Yellow 0% · Key 37%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #033FA1
.text { color: #033FA1; }
.background { background-color: #033FA1; }
.border { border: 3px solid #033FA1; }
.text-rgb { color: rgb(3, 63, 161); }
.text-hsl { color: hsl(217, 96%, 32%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #033FA1; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 63, 161, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #033FA1; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 63, 161, 0.8); }
HTML: <p style="color:#033FA1">Text here</p> · <div style="background-color:#033FA1">Div content here</div>
Shades of #033FA1
Tints of #033FA1
Tones of #033FA1
Color harmonies
Complementary — #A06403:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 9.42:1 AAA |
|---|---|
| Against black text | 2.23:1 Fails |
Best text color on #033FA1: #FFFFFF.
Semi-transparent (opacity) text on #033FA1
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 #033FA1: ·
How #033FA1 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 #033FA1 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 #033FA1?
#033FA1 is Vivid Blue, a blue color (RGB 3, 63, 161). Its closest standard named color is MidnightBlue.
What is the RGB and HSL of #033FA1?
#033FA1 is RGB 3, 63, 161 — HSL 217°, 96%, 32% — CMYK 98%, 61%, 0%, 37%.
What colors go with #033FA1?
Its complement is #A06403; analogous partners are #038EA0 and #1603A0. It also appears in 6+ palettes in our collection.
Can I use #033FA1 for text?
White text on #033FA1 has a contrast ratio of 9.42:1 (passes WCAG AA); black text gives 2.23:1.