HSL(231, 99%, 15%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,99%,15%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 99%, 15%) color: hsl(231, 99%, 15%)
HEX #000C4C color: #000C4C
RGB rgb(0, 12, 76) color: rgb(0, 12, 76)
CMYK cmyk(100%, 84%, 0%, 70%)
HSV hsv(231, 100%, 30%)
HWB hwb(231 0% 70%) color: hwb(231 0% 70%)
OKLCH oklch(0.2086 0.1169 263.83) color: oklch(0.2086 0.1169 263.83)
Lab lab(7.09 24.08 -39.98) color: lab(7.09 24.08 -39.98)
LCH lch(7.09 46.67 301.06) color: lch(7.09 46.67 301.06)

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 18.15:1
vs Black 1.16:1

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)

#05053D — rgb(5, 5, 61)

Deuteranopia (Green-blind)

#050439 — rgb(5, 4, 57)

Tritanopia (Blue-blind)

#01302E — rgb(1, 48, 46)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 99%, 15%);

text

color: hsl(231, 99%, 15%);

border

border: 2px solid hsl(231, 99%, 15%);

gradient light

background: linear-gradient(to right, hsl(231, 99%, 35%), hsl(231, 99%, 15%));

gradient dark

background: linear-gradient(to right, hsl(231, 99%, 15%), hsl(231, 99%, 0%))

hex

background-color: #000C4C;

tailwind

bg-[hsl(231,99%,15%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 99%, 15%, 0.4);

css variable

--color-primary: hsl(231, 99%, 15%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(231, 99%, 15%)?

HEX: #000C4C | RGB: rgb(0, 12, 76) | CMYK: 100%, 84%, 0%, 70% | HSV: 231°, 100%, 30%. Copy any format from the conversion table above.

What colors go well with #000C4C?

The complementary color is HSL(51, 99%, 15%). 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, 99%, 15%) in CSS?

As HSL: color: hsl(231, 99%, 15%); — As HEX: color: #000C4C; — As RGB: color: rgb(0, 12, 76); — Tailwind CSS: bg-[hsl(231,99%,15%)] — CSS variable: --color-primary: hsl(231, 99%, 15%);