HSL(255, 56%, 35%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(255,56%,35%)]

Color Conversions

Format Value CSS Usage
HSL hsl(255, 56%, 35%) color: hsl(255, 56%, 35%)
HEX #40278B color: #40278B
RGB rgb(64, 39, 139) color: rgb(64, 39, 139)
CMYK cmyk(54%, 72%, 0%, 45%)
HSV hsv(255, 72%, 55%)
HWB hwb(255 15% 45%) color: hwb(255 15% 45%)
OKLCH oklch(0.3697 0.1557 287.69) color: oklch(0.3697 0.1557 287.69)
Lab lab(24.97 37.87 -51.63) color: lab(24.97 37.87 -51.63)
LCH lch(24.97 64.03 306.26) color: lch(24.97 64.03 306.26)

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 11.16:1
vs Black 1.88:1

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)

#353573 — rgb(53, 53, 115)

Deuteranopia (Green-blind)

#37396D — rgb(55, 57, 109)

Tritanopia (Blue-blind)

#3F605C — rgb(63, 96, 92)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(255, 56%, 35%);

text

color: hsl(255, 56%, 35%);

border

border: 2px solid hsl(255, 56%, 35%);

gradient light

background: linear-gradient(to right, hsl(255, 56%, 55%), hsl(255, 56%, 35%));

gradient dark

background: linear-gradient(to right, hsl(255, 56%, 35%), hsl(255, 56%, 15%))

hex

background-color: #40278B;

tailwind

bg-[hsl(255,56%,35%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(255, 56%, 35%, 0.4);

css variable

--color-primary: hsl(255, 56%, 35%);

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(255, 56%, 35%)?

HEX: #40278B | RGB: rgb(64, 39, 139) | CMYK: 54%, 72%, 0%, 45% | HSV: 255°, 72%, 55%. Copy any format from the conversion table above.

What colors go well with #40278B?

The complementary color is HSL(75, 56%, 35%). For a triadic harmony, use hues 255°, 15°, and 135°. For analogous combinations, try hues 225° and 285°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(255, 56%, 35%) in CSS?

As HSL: color: hsl(255, 56%, 35%); — As HEX: color: #40278B; — As RGB: color: rgb(64, 39, 139); — Tailwind CSS: bg-[hsl(255,56%,35%)] — CSS variable: --color-primary: hsl(255, 56%, 35%);