HSL(223, 15%, 29%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(223,15%,29%)]

Color Conversions

Format Value CSS Usage
HSL hsl(223, 15%, 29%) color: hsl(223, 15%, 29%)
HEX #3F4555 color: #3F4555
RGB rgb(63, 69, 85) color: rgb(63, 69, 85)
CMYK cmyk(26%, 19%, 0%, 67%)
HSV hsv(224, 26%, 33%)
HWB hwb(224 24% 67%) color: hwb(224 24% 67%)
OKLCH oklch(0.3914 0.0283 268.93) color: oklch(0.3914 0.0283 268.93)
Lab lab(29.33 1.64 -10.35) color: lab(29.33 1.64 -10.35)
LCH lch(29.33 10.48 279) color: lch(29.33 10.48 279)

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 9.57:1
vs Black 2.19:1

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)

#424251 — rgb(66, 66, 81)

Deuteranopia (Green-blind)

#414150 — rgb(65, 65, 80)

Tritanopia (Blue-blind)

#3F4E4D — rgb(63, 78, 77)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(223, 15%, 29%);

text

color: hsl(223, 15%, 29%);

border

border: 2px solid hsl(223, 15%, 29%);

gradient light

background: linear-gradient(to right, hsl(223, 15%, 49%), hsl(223, 15%, 29%));

gradient dark

background: linear-gradient(to right, hsl(223, 15%, 29%), hsl(223, 15%, 9%))

hex

background-color: #3F4555;

tailwind

bg-[hsl(223,15%,29%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(223, 15%, 29%, 0.4);

css variable

--color-primary: hsl(223, 15%, 29%);

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, 15%, 29%)?

HEX: #3F4555 | RGB: rgb(63, 69, 85) | CMYK: 26%, 19%, 0%, 67% | HSV: 224°, 26%, 33%. Copy any format from the conversion table above.

What colors go well with #3F4555?

The complementary color is HSL(43, 15%, 29%). 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, 15%, 29%) in CSS?

As HSL: color: hsl(223, 15%, 29%); — As HEX: color: #3F4555; — As RGB: color: rgb(63, 69, 85); — Tailwind CSS: bg-[hsl(223,15%,29%)] — CSS variable: --color-primary: hsl(223, 15%, 29%);