HSL(281, 100%, 18%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

6500K

CSS Class

bg-[hsl(281,100%,18%)]

Color Conversions

Format Value CSS Usage
HSL hsl(281, 100%, 18%) color: hsl(281, 100%, 18%)
HEX #3F005C color: #3F005C
RGB rgb(63, 0, 92) color: rgb(63, 0, 92)
CMYK cmyk(32%, 100%, 0%, 64%)
HSV hsv(281, 100%, 36%)
HWB hwb(281 0% 64%) color: hwb(281 0% 64%)
OKLCH oklch(0.2831 0.143 310.3) color: oklch(0.2831 0.143 310.3)
Lab lab(14.57 41.9 -38.33) color: lab(14.57 41.9 -38.33)
LCH lch(14.57 56.79 317.55) color: lch(14.57 56.79 317.55)

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 15.37:1
vs Black 1.37:1

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)

#242346 — rgb(36, 35, 70)

Deuteranopia (Green-blind)

#272C40 — rgb(39, 44, 64)

Tritanopia (Blue-blind)

#3C3430 — rgb(60, 52, 48)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(281, 100%, 18%);

text

color: hsl(281, 100%, 18%);

border

border: 2px solid hsl(281, 100%, 18%);

gradient light

background: linear-gradient(to right, hsl(281, 100%, 38%), hsl(281, 100%, 18%));

gradient dark

background: linear-gradient(to right, hsl(281, 100%, 18%), hsl(281, 100%, 0%))

hex

background-color: #3F005C;

tailwind

bg-[hsl(281,100%,18%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(281, 100%, 18%, 0.4);

css variable

--color-primary: hsl(281, 100%, 18%);

Related Colors

Use Cases for Indigo

UI elements Web design Branding Graphic design Print design

Frequently Asked Questions

What are all the color codes for HSL(281, 100%, 18%)?

HEX: #3F005C | RGB: rgb(63, 0, 92) | CMYK: 32%, 100%, 0%, 64% | HSV: 281°, 100%, 36%. Copy any format from the conversion table above.

What colors go well with #3F005C?

The complementary color is HSL(101, 100%, 18%). For a triadic harmony, use hues 281°, 41°, and 161°. For analogous combinations, try hues 251° and 311°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(281, 100%, 18%) in CSS?

As HSL: color: hsl(281, 100%, 18%); — As HEX: color: #3F005C; — As RGB: color: rgb(63, 0, 92); — Tailwind CSS: bg-[hsl(281,100%,18%)] — CSS variable: --color-primary: hsl(281, 100%, 18%);