HSL(221, 25%, 25%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,25%,25%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 25%, 25%) color: hsl(221, 25%, 25%)
HEX #303A50 color: #303A50
RGB rgb(48, 58, 80) color: rgb(48, 58, 80)
CMYK cmyk(40%, 28%, 0%, 69%)
HSV hsv(221, 40%, 31%)
HWB hwb(221 19% 69%) color: hwb(221 19% 69%)
OKLCH oklch(0.3492 0.0409 265.44) color: oklch(0.3492 0.0409 265.44)
Lab lab(24.43 2.22 -14.7) color: lab(24.43 2.22 -14.7)
LCH lch(24.43 14.87 278.59) color: lch(24.43 14.87 278.59)

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 11.37:1
vs Black 1.85:1

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)

#34344B — rgb(52, 52, 75)

Deuteranopia (Green-blind)

#343349 — rgb(52, 51, 73)

Tritanopia (Blue-blind)

#314646 — rgb(49, 70, 70)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 25%, 25%);

text

color: hsl(221, 25%, 25%);

border

border: 2px solid hsl(221, 25%, 25%);

gradient light

background: linear-gradient(to right, hsl(221, 25%, 45%), hsl(221, 25%, 25%));

gradient dark

background: linear-gradient(to right, hsl(221, 25%, 25%), hsl(221, 25%, 5%))

hex

background-color: #303A50;

tailwind

bg-[hsl(221,25%,25%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 25%, 25%, 0.4);

css variable

--color-primary: hsl(221, 25%, 25%);

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(221, 25%, 25%)?

HEX: #303A50 | RGB: rgb(48, 58, 80) | CMYK: 40%, 28%, 0%, 69% | HSV: 221°, 40%, 31%. Copy any format from the conversion table above.

What colors go well with #303A50?

The complementary color is HSL(41, 25%, 25%). For a triadic harmony, use hues 221°, 341°, and 101°. For analogous combinations, try hues 191° and 251°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(221, 25%, 25%) in CSS?

As HSL: color: hsl(221, 25%, 25%); — As HEX: color: #303A50; — As RGB: color: rgb(48, 58, 80); — Tailwind CSS: bg-[hsl(221,25%,25%)] — CSS variable: --color-primary: hsl(221, 25%, 25%);