HSL(257, 77%, 16%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(257,77%,16%)]

Color Conversions

Format Value CSS Usage
HSL hsl(257, 77%, 16%) color: hsl(257, 77%, 16%)
HEX #1B0948 color: #1B0948
RGB rgb(27, 9, 72) color: rgb(27, 9, 72)
CMYK cmyk(63%, 88%, 0%, 72%)
HSV hsv(257, 88%, 28%)
HWB hwb(257 3% 72%) color: hwb(257 3% 72%)
OKLCH oklch(0.2201 0.1067 286.95) color: oklch(0.2201 0.1067 286.95)
Lab lab(8.09 27.39 -35.45) color: lab(8.09 27.39 -35.45)
LCH lch(8.09 44.8 307.69) color: lch(8.09 44.8 307.69)

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 17.81:1
vs Black 1.18:1

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)

#131339 — rgb(19, 19, 57)

Deuteranopia (Green-blind)

#141635 — rgb(20, 22, 53)

Tritanopia (Blue-blind)

#1A2D2A — rgb(26, 45, 42)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(257, 77%, 16%);

text

color: hsl(257, 77%, 16%);

border

border: 2px solid hsl(257, 77%, 16%);

gradient light

background: linear-gradient(to right, hsl(257, 77%, 36%), hsl(257, 77%, 16%));

gradient dark

background: linear-gradient(to right, hsl(257, 77%, 16%), hsl(257, 77%, 0%))

hex

background-color: #1B0948;

tailwind

bg-[hsl(257,77%,16%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(257, 77%, 16%, 0.4);

css variable

--color-primary: hsl(257, 77%, 16%);

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, 77%, 16%)?

HEX: #1B0948 | RGB: rgb(27, 9, 72) | CMYK: 63%, 88%, 0%, 72% | HSV: 257°, 88%, 28%. Copy any format from the conversion table above.

What colors go well with #1B0948?

The complementary color is HSL(77, 77%, 16%). 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, 77%, 16%) in CSS?

As HSL: color: hsl(257, 77%, 16%); — As HEX: color: #1B0948; — As RGB: color: rgb(27, 9, 72); — Tailwind CSS: bg-[hsl(257,77%,16%)] — CSS variable: --color-primary: hsl(257, 77%, 16%);