HSL(255, 40%, 50%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(255,40%,50%)]

Color Conversions

Format Value CSS Usage
HSL hsl(255, 40%, 50%) color: hsl(255, 40%, 50%)
HEX #664DB3 color: #664DB3
RGB rgb(102, 77, 179) color: rgb(102, 77, 179)
CMYK cmyk(43%, 57%, 0%, 30%) —
HSV hsv(255, 57%, 70%) —
HWB hwb(255 30% 30%) color: hwb(255 30% 30%)
OKLCH oklch(0.4994 0.1552 291) color: oklch(0.4994 0.1552 291)
Lab lab(40.22 35.26 -50.9) color: lab(40.22 35.26 -50.9)
LCH lch(40.22 61.92 304.71) color: lch(40.22 61.92 304.71)

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 6.41:1
vs Black 3.28:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#5B5B9A — rgb(91, 91, 154)

Deuteranopia (Green-blind)

#5D5F94 — rgb(93, 95, 148)

Tritanopia (Blue-blind)

#658783 — rgb(101, 135, 131)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(255, 40%, 50%);

text

color: hsl(255, 40%, 50%);

border

border: 2px solid hsl(255, 40%, 50%);

gradient light

background: linear-gradient(to right, hsl(255, 40%, 70%), hsl(255, 40%, 50%));

gradient dark

background: linear-gradient(to right, hsl(255, 40%, 50%), hsl(255, 40%, 30%))

hex

background-color: #664DB3;

tailwind

bg-[hsl(255,40%,50%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(255, 40%, 50%, 0.4);

css variable

--color-primary: hsl(255, 40%, 50%);

Related Colors

#736699

255,20,50

#5933CC

255,60,50

#3D2E6B

255,40,30

#A394D1

255,40,70

#4D4DB3

240,40,50

#554DB3

245,40,50

#774DB3

265,40,50

#804DB3

270,40,50

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, 40%, 50%)?

HEX: #664DB3 | RGB: rgb(102, 77, 179) | CMYK: 43%, 57%, 0%, 30% | HSV: 255°, 57%, 70%. Copy any format from the conversion table above.

What colors go well with #664DB3?

The complementary color is HSL(75, 40%, 50%). 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, 40%, 50%) in CSS?

As HSL: color: hsl(255, 40%, 50%); — As HEX: color: #664DB3; — As RGB: color: rgb(102, 77, 179); — Tailwind CSS: bg-[hsl(255,40%,50%)] — CSS variable: --color-primary: hsl(255, 40%, 50%);