HSL(255, 70%, 40%)

Indigo — Indigo color

Adjust Color

Color Information

Color Name

Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(255,70%,40%)]

Color Conversions

Format Value CSS Usage
HSL hsl(255, 70%, 40%) color: hsl(255, 70%, 40%)
HEX #421FAD color: #421FAD
RGB rgb(66, 31, 173) color: rgb(66, 31, 173)
CMYK cmyk(62%, 82%, 0%, 32%) —
HSV hsv(255, 82%, 68%) —
HWB hwb(255 12% 32%) color: hwb(255 12% 32%)
OKLCH oklch(0.3959 0.2038 283.25) color: oklch(0.3959 0.2038 283.25)
Lab lab(27.17 52.12 -68.78) color: lab(27.17 52.12 -68.78)
LCH lch(27.17 86.3 307.15) color: lch(27.17 86.3 307.15)

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 10.34:1
vs Black 2.03:1

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)

#33338B — rgb(51, 51, 139)

Deuteranopia (Green-blind)

#353882 — rgb(53, 56, 130)

Tritanopia (Blue-blind)

#40706A — rgb(64, 112, 106)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(255, 70%, 40%);

text

color: hsl(255, 70%, 40%);

border

border: 2px solid hsl(255, 70%, 40%);

gradient light

background: linear-gradient(to right, hsl(255, 70%, 60%), hsl(255, 70%, 40%));

gradient dark

background: linear-gradient(to right, hsl(255, 70%, 40%), hsl(255, 70%, 20%))

hex

background-color: #421FAD;

tailwind

bg-[hsl(255,70%,40%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(255, 70%, 40%, 0.4);

css variable

--color-primary: hsl(255, 70%, 40%);

Related Colors

#4D3399

255,50,40

#380AC2

255,90,40

#210F57

255,70,20

#7552E0

255,70,60

#1F1FAD

240,70,40

#2B1FAD

245,70,40

#5A1FAD

265,70,40

#661FAD

270,70,40

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, 70%, 40%)?

HEX: #421FAD | RGB: rgb(66, 31, 173) | CMYK: 62%, 82%, 0%, 32% | HSV: 255°, 82%, 68%. Copy any format from the conversion table above.

What colors go well with #421FAD?

The complementary color is HSL(75, 70%, 40%). 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, 70%, 40%) in CSS?

As HSL: color: hsl(255, 70%, 40%); — As HEX: color: #421FAD; — As RGB: color: rgb(66, 31, 173); — Tailwind CSS: bg-[hsl(255,70%,40%)] — CSS variable: --color-primary: hsl(255, 70%, 40%);