HSL(217, 91%, 12%)

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(217,91%,12%)]

Color Conversions

Format Value CSS Usage
HSL hsl(217, 91%, 12%) color: hsl(217, 91%, 12%)
HEX #03183A color: #03183A
RGB rgb(3, 24, 58) color: rgb(3, 24, 58)
CMYK cmyk(95%, 59%, 0%, 77%)
HSV hsv(217, 95%, 23%)
HWB hwb(217 1% 77%) color: hwb(217 1% 77%)
OKLCH oklch(0.2161 0.0718 258.67) color: oklch(0.2161 0.0718 258.67)
Lab lab(8.81 7.11 -24.44) color: lab(8.81 7.11 -24.44)
LCH lch(8.81 25.45 286.22) color: lch(8.81 25.45 286.22)

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 17.56:1
vs Black 1.2:1

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)

#0C0C32 — rgb(12, 12, 50)

Deuteranopia (Green-blind)

#0B0930 — rgb(11, 9, 48)

Tritanopia (Blue-blind)

#042B2A — rgb(4, 43, 42)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(217, 91%, 12%);

text

color: hsl(217, 91%, 12%);

border

border: 2px solid hsl(217, 91%, 12%);

gradient light

background: linear-gradient(to right, hsl(217, 91%, 32%), hsl(217, 91%, 12%));

gradient dark

background: linear-gradient(to right, hsl(217, 91%, 12%), hsl(217, 91%, 0%))

hex

background-color: #03183A;

tailwind

bg-[hsl(217,91%,12%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(217, 91%, 12%, 0.4);

css variable

--color-primary: hsl(217, 91%, 12%);

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(217, 91%, 12%)?

HEX: #03183A | RGB: rgb(3, 24, 58) | CMYK: 95%, 59%, 0%, 77% | HSV: 217°, 95%, 23%. Copy any format from the conversion table above.

What colors go well with #03183A?

The complementary color is HSL(37, 91%, 12%). For a triadic harmony, use hues 217°, 337°, and 97°. For analogous combinations, try hues 187° and 247°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(217, 91%, 12%) in CSS?

As HSL: color: hsl(217, 91%, 12%); — As HEX: color: #03183A; — As RGB: color: rgb(3, 24, 58); — Tailwind CSS: bg-[hsl(217,91%,12%)] — CSS variable: --color-primary: hsl(217, 91%, 12%);