Palettes / Colors / #040FA7
#040FA7 — Vivid Blue
#040FA7 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 #040FA7 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.
#040FA7 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 #A99E04; it also sits naturally between #0462A9 and #4C04A9. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #040FA7 |
|---|---|
| RGB | 4, 15, 167 |
| HSL | 236°, 95%, 34% |
| HSV | 236°, 98%, 65% |
| CMYK | 98%, 91%, 0%, 35% |
| XYZ | 7.20, 3.16, 36.79 |
| Yxy | 3.16, 0.1526, 0.0670 |
| CIE-Lab | 20.66, 53.49, -76.09 |
| Hunter Lab | 17.77, 42.81, -115.56 |
RGB & CMYK percentages
Red 2% · Green 6% · Blue 65%
Cyan 98% · Magenta 91% · Yellow 0% · Key 35%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #040FA7
.text { color: #040FA7; }
.background { background-color: #040FA7; }
.border { border: 3px solid #040FA7; }
.text-rgb { color: rgb(4, 15, 167); }
.text-hsl { color: hsl(236, 95%, 34%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #040FA7; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 15, 167, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #040FA7; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 15, 167, 0.8); }
HTML: <p style="color:#040FA7">Text here</p> · <div style="background-color:#040FA7">Div content here</div>
Shades of #040FA7
Tints of #040FA7
Tones of #040FA7
Color harmonies
Complementary — #A99E04:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 12.87:1 AAA |
|---|---|
| Against black text | 1.63:1 Fails |
Best text color on #040FA7: #FFFFFF.
Semi-transparent (opacity) text on #040FA7
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 #040FA7: ·
How #040FA7 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 #040FA7 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 #040FA7?
#040FA7 is Vivid Blue, a blue color (RGB 4, 15, 167). Its closest standard named color is DarkBlue.
What is the RGB and HSL of #040FA7?
#040FA7 is RGB 4, 15, 167 — HSL 236°, 95%, 34% — CMYK 98%, 91%, 0%, 35%.
What colors go with #040FA7?
Its complement is #A99E04; analogous partners are #0462A9 and #4C04A9. It also appears in 6+ palettes in our collection.
Can I use #040FA7 for text?
White text on #040FA7 has a contrast ratio of 12.87:1 (passes WCAG AA); black text gives 1.63:1.