HSL(257, 43%, 11%)

Very Dark Indigo — Indigo color

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Color Information

Color Name

Very Dark Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(257,43%,11%)]

Color Conversions

Format Value CSS Usage
HSL hsl(257, 43%, 11%) color: hsl(257, 43%, 11%)
HEX #171028 color: #171028
RGB rgb(23, 16, 40) color: rgb(23, 16, 40)
CMYK cmyk(43%, 60%, 0%, 84%)
HSV hsv(258, 60%, 16%)
HWB hwb(258 6% 84%) color: hwb(258 6% 84%)
OKLCH oklch(0.1962 0.0474 295.12) color: oklch(0.1962 0.0474 295.12)
Lab lab(6.38 10.17 -15.01) color: lab(6.38 10.17 -15.01)
LCH lch(6.38 18.13 304.12) color: lch(6.38 18.13 304.12)

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 18.4:1
vs Black 1.14:1

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)

#141422 — rgb(20, 20, 34)

Deuteranopia (Green-blind)

#141521 — rgb(20, 21, 33)

Tritanopia (Blue-blind)

#171E1D — rgb(23, 30, 29)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(257, 43%, 11%);

text

color: hsl(257, 43%, 11%);

border

border: 2px solid hsl(257, 43%, 11%);

gradient light

background: linear-gradient(to right, hsl(257, 43%, 31%), hsl(257, 43%, 11%));

gradient dark

background: linear-gradient(to right, hsl(257, 43%, 11%), hsl(257, 43%, 0%))

hex

background-color: #171028;

tailwind

bg-[hsl(257,43%,11%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(257, 43%, 11%, 0.4);

css variable

--color-primary: hsl(257, 43%, 11%);

Related Colors

Use Cases for Very Dark Indigo

UI elements Web design Branding Graphic design Print design

Frequently Asked Questions

What are all the color codes for HSL(257, 43%, 11%)?

HEX: #171028 | RGB: rgb(23, 16, 40) | CMYK: 43%, 60%, 0%, 84% | HSV: 258°, 60%, 16%. Copy any format from the conversion table above.

What colors go well with #171028?

The complementary color is HSL(77, 43%, 11%). For a triadic harmony, use hues 257°, 17°, and 137°. For analogous combinations, try hues 227° and 287°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(257, 43%, 11%) in CSS?

As HSL: color: hsl(257, 43%, 11%); — As HEX: color: #171028; — As RGB: color: rgb(23, 16, 40); — Tailwind CSS: bg-[hsl(257,43%,11%)] — CSS variable: --color-primary: hsl(257, 43%, 11%);