HSL(223, 65%, 4%)

Very Dark Blue — Blue color

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Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(223,65%,4%)]

Color Conversions

Format Value CSS Usage
HSL hsl(223, 65%, 4%) color: hsl(223, 65%, 4%)
HEX #040711 color: #040711
RGB rgb(4, 7, 17) color: rgb(4, 7, 17)
CMYK cmyk(76%, 59%, 0%, 93%)
HSV hsv(226, 76%, 7%)
HWB hwb(226 2% 93%) color: hwb(226 2% 93%)
OKLCH oklch(0.1304 0.0243 265.94) color: oklch(0.1304 0.0243 265.94)
Lab lab(1.97 0.81 -4.62) color: lab(1.97 0.81 -4.62)
LCH lch(1.97 4.69 279.94) color: lch(1.97 4.69 279.94)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 20.12:1
vs Black 1.04:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#05050F — rgb(5, 5, 15)

Deuteranopia (Green-blind)

#05050E — rgb(5, 5, 14)

Tritanopia (Blue-blind)

#040D0C — rgb(4, 13, 12)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(223, 65%, 4%);

text

color: hsl(223, 65%, 4%);

border

border: 2px solid hsl(223, 65%, 4%);

gradient light

background: linear-gradient(to right, hsl(223, 65%, 24%), hsl(223, 65%, 4%));

gradient dark

background: linear-gradient(to right, hsl(223, 65%, 4%), hsl(223, 65%, 0%))

hex

background-color: #040711;

tailwind

bg-[hsl(223,65%,4%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(223, 65%, 4%, 0.4);

css variable

--color-primary: hsl(223, 65%, 4%);

Related Colors

Use Cases for Very Dark Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(223, 65%, 4%)?

HEX: #040711 | RGB: rgb(4, 7, 17) | CMYK: 76%, 59%, 0%, 93% | HSV: 226°, 76%, 7%. Copy any format from the conversion table above.

What colors go well with #040711?

The complementary color is HSL(43, 65%, 4%). For a triadic harmony, use hues 223°, 343°, and 103°. For analogous combinations, try hues 193° and 253°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(223, 65%, 4%) in CSS?

As HSL: color: hsl(223, 65%, 4%); — As HEX: color: #040711; — As RGB: color: rgb(4, 7, 17); — Tailwind CSS: bg-[hsl(223,65%,4%)] — CSS variable: --color-primary: hsl(223, 65%, 4%);