HSL(231, 67%, 3%)

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(231,67%,3%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 67%, 3%) color: hsl(231, 67%, 3%)
HEX #03040D color: #03040D
RGB rgb(3, 4, 13) color: rgb(3, 4, 13)
CMYK cmyk(77%, 69%, 0%, 95%)
HSV hsv(234, 77%, 5%)
HWB hwb(234 1% 95%) color: hwb(234 1% 95%)
OKLCH oklch(0.1118 0.0247 274.25) color: oklch(0.1118 0.0247 274.25)
Lab lab(1.22 1.03 -3.6) color: lab(1.22 1.03 -3.6)
LCH lch(1.22 3.74 285.97) color: lch(1.22 3.74 285.97)

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 20.45:1
vs Black 1.03:1

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)

#03030B — rgb(3, 3, 11)

Deuteranopia (Green-blind)

#03030A — rgb(3, 3, 10)

Tritanopia (Blue-blind)

#030909 — rgb(3, 9, 9)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 67%, 3%);

text

color: hsl(231, 67%, 3%);

border

border: 2px solid hsl(231, 67%, 3%);

gradient light

background: linear-gradient(to right, hsl(231, 67%, 23%), hsl(231, 67%, 3%));

gradient dark

background: linear-gradient(to right, hsl(231, 67%, 3%), hsl(231, 67%, 0%))

hex

background-color: #03040D;

tailwind

bg-[hsl(231,67%,3%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 67%, 3%, 0.4);

css variable

--color-primary: hsl(231, 67%, 3%);

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(231, 67%, 3%)?

HEX: #03040D | RGB: rgb(3, 4, 13) | CMYK: 77%, 69%, 0%, 95% | HSV: 234°, 77%, 5%. Copy any format from the conversion table above.

What colors go well with #03040D?

The complementary color is HSL(51, 67%, 3%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 67%, 3%) in CSS?

As HSL: color: hsl(231, 67%, 3%); — As HEX: color: #03040D; — As RGB: color: rgb(3, 4, 13); — Tailwind CSS: bg-[hsl(231,67%,3%)] — CSS variable: --color-primary: hsl(231, 67%, 3%);