HSL(223, 37%, 40%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(223,37%,40%)]

Color Conversions

Format Value CSS Usage
HSL hsl(223, 37%, 40%) color: hsl(223, 37%, 40%)
HEX #40568C color: #40568C
RGB rgb(64, 86, 140) color: rgb(64, 86, 140)
CMYK cmyk(54%, 39%, 0%, 45%)
HSV hsv(223, 54%, 55%)
HWB hwb(223 25% 45%) color: hwb(223 25% 45%)
OKLCH oklch(0.4613 0.0924 266.1) color: oklch(0.4613 0.0924 266.1)
Lab lab(37.19 8.16 -32.59) color: lab(37.19 8.16 -32.59)
LCH lch(37.19 33.6 284.06) color: lch(37.19 33.6 284.06)

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 7.17:1
vs Black 2.93:1

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)

#4A4A7F — rgb(74, 74, 127)

Deuteranopia (Green-blind)

#48477C — rgb(72, 71, 124)

Tritanopia (Blue-blind)

#417572 — rgb(65, 117, 114)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(223, 37%, 40%);

text

color: hsl(223, 37%, 40%);

border

border: 2px solid hsl(223, 37%, 40%);

gradient light

background: linear-gradient(to right, hsl(223, 37%, 60%), hsl(223, 37%, 40%));

gradient dark

background: linear-gradient(to right, hsl(223, 37%, 40%), hsl(223, 37%, 20%))

hex

background-color: #40568C;

tailwind

bg-[hsl(223,37%,40%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(223, 37%, 40%, 0.4);

css variable

--color-primary: hsl(223, 37%, 40%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(223, 37%, 40%)?

HEX: #40568C | RGB: rgb(64, 86, 140) | CMYK: 54%, 39%, 0%, 45% | HSV: 223°, 54%, 55%. Copy any format from the conversion table above.

What colors go well with #40568C?

The complementary color is HSL(43, 37%, 40%). For a triadic harmony, use hues 223°, 343°, and 103°. For analogous combinations, try hues 193° and 253°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(223, 37%, 40%) in CSS?

As HSL: color: hsl(223, 37%, 40%); — As HEX: color: #40568C; — As RGB: color: rgb(64, 86, 140); — Tailwind CSS: bg-[hsl(223,37%,40%)] — CSS variable: --color-primary: hsl(223, 37%, 40%);