Palettes / Colors / #040BE7
#040BE7 — Vivid Blue
#040BE7 is a blue color we call Vivid Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.
#040BE7 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 #E7DF04; it also sits naturally between #047DE7 and #6E04E7. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #040BE7 |
|---|---|
| RGB | 4, 11, 231 |
| HSL | 238°, 97%, 46% |
| HSV | 238°, 98%, 91% |
| CMYK | 98%, 95%, 0%, 9% |
| XYZ | 14.59, 6.03, 76.00 |
| Yxy | 6.03, 0.1510, 0.0625 |
| CIE-Lab | 29.50, 71.62, -98.96 |
| Hunter Lab | 24.57, 65.39, -174.01 |
RGB & CMYK percentages
Red 2% · Green 4% · Blue 91%
Cyan 98% · Magenta 95% · Yellow 0% · Key 9%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #040BE7
.text { color: #040BE7; }
.background { background-color: #040BE7; }
.border { border: 3px solid #040BE7; }
.text-rgb { color: rgb(4, 11, 231); }
.text-hsl { color: hsl(238, 97%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #040BE7; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 11, 231, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #040BE7; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 11, 231, 0.8); }
HTML: <p style="color:#040BE7">Text here</p> · <div style="background-color:#040BE7">Div content here</div>
Shades of #040BE7
Tints of #040BE7
Tones of #040BE7
Color harmonies
Complementary — #E7DF04:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 9.52:1 AAA |
|---|---|
| Against black text | 2.21:1 Fails |
Best text color on #040BE7: #FFFFFF.
How #040BE7 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 #040BE7 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 #040BE7?
#040BE7 is Vivid Blue, a blue color (RGB 4, 11, 231). Its closest standard named color is Blue.
What is the RGB and HSL of #040BE7?
#040BE7 is RGB 4, 11, 231 — HSL 238°, 97%, 46% — CMYK 98%, 95%, 0%, 9%.
What colors go with #040BE7?
Its complement is #E7DF04; analogous partners are #047DE7 and #6E04E7. It also appears in 6+ palettes in our collection.
Can I use #040BE7 for text?
White text on #040BE7 has a contrast ratio of 9.52:1 (passes WCAG AA); black text gives 2.21:1.