HSL(221, 67%, 42%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,67%,42%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 67%, 42%) color: hsl(221, 67%, 42%)
HEX #2351B3 color: #2351B3
RGB rgb(35, 81, 179) color: rgb(35, 81, 179)
CMYK cmyk(80%, 55%, 0%, 30%)
HSV hsv(221, 80%, 70%)
HWB hwb(221 14% 30%) color: hwb(221 14% 30%)
OKLCH oklch(0.4636 0.1642 262.79) color: oklch(0.4636 0.1642 262.79)
Lab lab(36.92 21.11 -56.45) color: lab(36.92 21.11 -56.45)
LCH lch(36.92 60.27 290.5) color: lch(36.92 60.27 290.5)

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 7.24:1
vs Black 2.9:1

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)

#37379B — rgb(55, 55, 155)

Deuteranopia (Green-blind)

#343196 — rgb(52, 49, 150)

Tritanopia (Blue-blind)

#258984 — rgb(37, 137, 132)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 67%, 42%);

text

color: hsl(221, 67%, 42%);

border

border: 2px solid hsl(221, 67%, 42%);

gradient light

background: linear-gradient(to right, hsl(221, 67%, 62%), hsl(221, 67%, 42%));

gradient dark

background: linear-gradient(to right, hsl(221, 67%, 42%), hsl(221, 67%, 22%))

hex

background-color: #2351B3;

tailwind

bg-[hsl(221,67%,42%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 67%, 42%, 0.4);

css variable

--color-primary: hsl(221, 67%, 42%);

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, 67%, 42%)?

HEX: #2351B3 | RGB: rgb(35, 81, 179) | CMYK: 80%, 55%, 0%, 30% | HSV: 221°, 80%, 70%. Copy any format from the conversion table above.

What colors go well with #2351B3?

The complementary color is HSL(41, 67%, 42%). 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, 67%, 42%) in CSS?

As HSL: color: hsl(221, 67%, 42%); — As HEX: color: #2351B3; — As RGB: color: rgb(35, 81, 179); — Tailwind CSS: bg-[hsl(221,67%,42%)] — CSS variable: --color-primary: hsl(221, 67%, 42%);