HSL(257, 15%, 42%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(257,15%,42%)]

Color Conversions

Format Value CSS Usage
HSL hsl(257, 15%, 42%) color: hsl(257, 15%, 42%)
HEX #645B7B color: #645B7B
RGB rgb(100, 91, 123) color: rgb(100, 91, 123)
CMYK cmyk(19%, 26%, 0%, 52%)
HSV hsv(257, 26%, 48%)
HWB hwb(257 36% 52%) color: hwb(257 36% 52%)
OKLCH oklch(0.4921 0.0515 297.37) color: oklch(0.4921 0.0515 297.37)
Lab lab(40.61 10.75 -16.68) color: lab(40.61 10.75 -16.68)
LCH lch(40.61 19.84 302.8) color: lch(40.61 19.84 302.8)

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 6.32:1
vs Black 3.32:1

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)

#606073 — rgb(96, 96, 115)

Deuteranopia (Green-blind)

#616171 — rgb(97, 97, 113)

Tritanopia (Blue-blind)

#646D6C — rgb(100, 109, 108)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(257, 15%, 42%);

text

color: hsl(257, 15%, 42%);

border

border: 2px solid hsl(257, 15%, 42%);

gradient light

background: linear-gradient(to right, hsl(257, 15%, 62%), hsl(257, 15%, 42%));

gradient dark

background: linear-gradient(to right, hsl(257, 15%, 42%), hsl(257, 15%, 22%))

hex

background-color: #645B7B;

tailwind

bg-[hsl(257,15%,42%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(257, 15%, 42%, 0.4);

css variable

--color-primary: hsl(257, 15%, 42%);

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(257, 15%, 42%)?

HEX: #645B7B | RGB: rgb(100, 91, 123) | CMYK: 19%, 26%, 0%, 52% | HSV: 257°, 26%, 48%. Copy any format from the conversion table above.

What colors go well with #645B7B?

The complementary color is HSL(77, 15%, 42%). For a triadic harmony, use hues 257°, 17°, and 137°. For analogous combinations, try hues 227° and 287°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(257, 15%, 42%) in CSS?

As HSL: color: hsl(257, 15%, 42%); — As HEX: color: #645B7B; — As RGB: color: rgb(100, 91, 123); — Tailwind CSS: bg-[hsl(257,15%,42%)] — CSS variable: --color-primary: hsl(257, 15%, 42%);