HSL(271, 43%, 9%)

Very Dark Indigo — Indigo color

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Color Information

Color Name

Very Dark Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

6500K

CSS Class

bg-[hsl(271,43%,9%)]

Color Conversions

Format Value CSS Usage
HSL hsl(271, 43%, 9%) color: hsl(271, 43%, 9%)
HEX #170D21 color: #170D21
RGB rgb(23, 13, 33) color: rgb(23, 13, 33)
CMYK cmyk(30%, 61%, 0%, 87%)
HSV hsv(270, 61%, 13%)
HWB hwb(270 5% 87%) color: hwb(270 5% 87%)
OKLCH oklch(0.184 0.0417 305.77) color: oklch(0.184 0.0417 305.77)
Lab lab(5.24 9.04 -11.43) color: lab(5.24 9.04 -11.43)
LCH lch(5.24 14.57 308.34) color: lch(5.24 14.57 308.34)

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 18.82:1
vs Black 1.12:1

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)

#13131C — rgb(19, 19, 28)

Deuteranopia (Green-blind)

#13141B — rgb(19, 20, 27)

Tritanopia (Blue-blind)

#171818 — rgb(23, 24, 24)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(271, 43%, 9%);

text

color: hsl(271, 43%, 9%);

border

border: 2px solid hsl(271, 43%, 9%);

gradient light

background: linear-gradient(to right, hsl(271, 43%, 29%), hsl(271, 43%, 9%));

gradient dark

background: linear-gradient(to right, hsl(271, 43%, 9%), hsl(271, 43%, 0%))

hex

background-color: #170D21;

tailwind

bg-[hsl(271,43%,9%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(271, 43%, 9%, 0.4);

css variable

--color-primary: hsl(271, 43%, 9%);

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(271, 43%, 9%)?

HEX: #170D21 | RGB: rgb(23, 13, 33) | CMYK: 30%, 61%, 0%, 87% | HSV: 270°, 61%, 13%. Copy any format from the conversion table above.

What colors go well with #170D21?

The complementary color is HSL(91, 43%, 9%). For a triadic harmony, use hues 271°, 31°, and 151°. For analogous combinations, try hues 241° and 301°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(271, 43%, 9%) in CSS?

As HSL: color: hsl(271, 43%, 9%); — As HEX: color: #170D21; — As RGB: color: rgb(23, 13, 33); — Tailwind CSS: bg-[hsl(271,43%,9%)] — CSS variable: --color-primary: hsl(271, 43%, 9%);