HSL(272, 90%, 18%)

Indigo — Indigo color

Adjust Color

Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

6500K

CSS Class

bg-[hsl(272,90%,18%)]

Color Conversions

Format Value CSS Usage
HSL hsl(272, 90%, 18%) color: hsl(272, 90%, 18%)
HEX #310557 color: #310557
RGB rgb(49, 5, 87) color: rgb(49, 5, 87)
CMYK cmyk(44%, 94%, 0%, 66%)
HSV hsv(272, 94%, 34%)
HWB hwb(272 2% 66%) color: hwb(272 2% 66%)
OKLCH oklch(0.261 0.1299 301.36) color: oklch(0.261 0.1299 301.36)
Lab lab(12.28 36.81 -38.79) color: lab(12.28 36.81 -38.79)
LCH lch(12.28 53.48 313.5) color: lch(12.28 53.48 313.5)

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 16.28:1
vs Black 1.29:1

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)

#1E1E43 — rgb(30, 30, 67)

Deuteranopia (Green-blind)

#21243E — rgb(33, 36, 62)

Tritanopia (Blue-blind)

#2F3330 — rgb(47, 51, 48)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(272, 90%, 18%);

text

color: hsl(272, 90%, 18%);

border

border: 2px solid hsl(272, 90%, 18%);

gradient light

background: linear-gradient(to right, hsl(272, 90%, 38%), hsl(272, 90%, 18%));

gradient dark

background: linear-gradient(to right, hsl(272, 90%, 18%), hsl(272, 90%, 0%))

hex

background-color: #310557;

tailwind

bg-[hsl(272,90%,18%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(272, 90%, 18%, 0.4);

css variable

--color-primary: hsl(272, 90%, 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(272, 90%, 18%)?

HEX: #310557 | RGB: rgb(49, 5, 87) | CMYK: 44%, 94%, 0%, 66% | HSV: 272°, 94%, 34%. Copy any format from the conversion table above.

What colors go well with #310557?

The complementary color is HSL(92, 90%, 18%). For a triadic harmony, use hues 272°, 32°, and 152°. For analogous combinations, try hues 242° and 302°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(272, 90%, 18%) in CSS?

As HSL: color: hsl(272, 90%, 18%); — As HEX: color: #310557; — As RGB: color: rgb(49, 5, 87); — Tailwind CSS: bg-[hsl(272,90%,18%)] — CSS variable: --color-primary: hsl(272, 90%, 18%);