HSL(257, 91%, 37%)

Indigo — Indigo color

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Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(257,91%,37%)]

Color Conversions

Format Value CSS Usage
HSL hsl(257, 91%, 37%) color: hsl(257, 91%, 37%)
HEX #3908B4 color: #3908B4
RGB rgb(57, 8, 180) color: rgb(57, 8, 180)
CMYK cmyk(68%, 96%, 0%, 29%)
HSV hsv(257, 96%, 71%)
HWB hwb(257 3% 29%) color: hwb(257 3% 29%)
OKLCH oklch(0.3798 0.2252 279.52) color: oklch(0.3798 0.2252 279.52)
Lab lab(24.76 60.44 -77.01) color: lab(24.76 60.44 -77.01)
LCH lch(24.76 97.9 308.13) color: lch(24.76 97.9 308.13)

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 11.24:1
vs Black 1.87:1

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)

#24238A — rgb(36, 35, 138)

Deuteranopia (Green-blind)

#272A80 — rgb(39, 42, 128)

Tritanopia (Blue-blind)

#376A62 — rgb(55, 106, 98)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(257, 91%, 37%);

text

color: hsl(257, 91%, 37%);

border

border: 2px solid hsl(257, 91%, 37%);

gradient light

background: linear-gradient(to right, hsl(257, 91%, 57%), hsl(257, 91%, 37%));

gradient dark

background: linear-gradient(to right, hsl(257, 91%, 37%), hsl(257, 91%, 17%))

hex

background-color: #3908B4;

tailwind

bg-[hsl(257,91%,37%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(257, 91%, 37%, 0.4);

css variable

--color-primary: hsl(257, 91%, 37%);

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, 91%, 37%)?

HEX: #3908B4 | RGB: rgb(57, 8, 180) | CMYK: 68%, 96%, 0%, 29% | HSV: 257°, 96%, 71%. Copy any format from the conversion table above.

What colors go well with #3908B4?

The complementary color is HSL(77, 91%, 37%). 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, 91%, 37%) in CSS?

As HSL: color: hsl(257, 91%, 37%); — As HEX: color: #3908B4; — As RGB: color: rgb(57, 8, 180); — Tailwind CSS: bg-[hsl(257,91%,37%)] — CSS variable: --color-primary: hsl(257, 91%, 37%);