HSL(212, 20%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(212,20%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(212, 20%, 21%) color: hsl(212, 20%, 21%)
HEX #2B3540 color: #2B3540
RGB rgb(43, 53, 64) color: rgb(43, 53, 64)
CMYK cmyk(33%, 17%, 0%, 75%)
HSV hsv(211, 33%, 25%)
HWB hwb(211 17% 75%) color: hwb(211 17% 75%)
OKLCH oklch(0.3244 0.0239 251.01) color: oklch(0.3244 0.0239 251.01)
Lab lab(21.69 -1.09 -8.24) color: lab(21.69 -1.09 -8.24)
LCH lch(21.69 8.31 262.46) color: lch(21.69 8.31 262.46)

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 12.46:1
vs Black 1.69:1

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)

#2F2F3D — rgb(47, 47, 61)

Deuteranopia (Green-blind)

#2F2E3D — rgb(47, 46, 61)

Tritanopia (Blue-blind)

#2C3B3B — rgb(44, 59, 59)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(212, 20%, 21%);

text

color: hsl(212, 20%, 21%);

border

border: 2px solid hsl(212, 20%, 21%);

gradient light

background: linear-gradient(to right, hsl(212, 20%, 41%), hsl(212, 20%, 21%));

gradient dark

background: linear-gradient(to right, hsl(212, 20%, 21%), hsl(212, 20%, 1%))

hex

background-color: #2B3540;

tailwind

bg-[hsl(212,20%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(212, 20%, 21%, 0.4);

css variable

--color-primary: hsl(212, 20%, 21%);

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(212, 20%, 21%)?

HEX: #2B3540 | RGB: rgb(43, 53, 64) | CMYK: 33%, 17%, 0%, 75% | HSV: 211°, 33%, 25%. Copy any format from the conversion table above.

What colors go well with #2B3540?

The complementary color is HSL(32, 20%, 21%). For a triadic harmony, use hues 212°, 332°, and 92°. For analogous combinations, try hues 182° and 242°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(212, 20%, 21%) in CSS?

As HSL: color: hsl(212, 20%, 21%); — As HEX: color: #2B3540; — As RGB: color: rgb(43, 53, 64); — Tailwind CSS: bg-[hsl(212,20%,21%)] — CSS variable: --color-primary: hsl(212, 20%, 21%);