HSL(221, 20%, 16%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,20%,16%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 20%, 16%) color: hsl(221, 20%, 16%)
HEX #212631 color: #212631
RGB rgb(33, 38, 49) color: rgb(33, 38, 49)
CMYK cmyk(33%, 22%, 0%, 81%)
HSV hsv(221, 33%, 19%)
HWB hwb(221 13% 81%) color: hwb(221 13% 81%)
OKLCH oklch(0.2686 0.0218 265.78) color: oklch(0.2686 0.0218 265.78)
Lab lab(15.12 0.94 -7.93) color: lab(15.12 0.94 -7.93)
LCH lch(15.12 7.99 276.76) color: lch(15.12 7.99 276.76)

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 15.15:1
vs Black 1.39:1

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)

#23232E — rgb(35, 35, 46)

Deuteranopia (Green-blind)

#23232E — rgb(35, 35, 46)

Tritanopia (Blue-blind)

#212C2C — rgb(33, 44, 44)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 20%, 16%);

text

color: hsl(221, 20%, 16%);

border

border: 2px solid hsl(221, 20%, 16%);

gradient light

background: linear-gradient(to right, hsl(221, 20%, 36%), hsl(221, 20%, 16%));

gradient dark

background: linear-gradient(to right, hsl(221, 20%, 16%), hsl(221, 20%, 0%))

hex

background-color: #212631;

tailwind

bg-[hsl(221,20%,16%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 20%, 16%, 0.4);

css variable

--color-primary: hsl(221, 20%, 16%);

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, 20%, 16%)?

HEX: #212631 | RGB: rgb(33, 38, 49) | CMYK: 33%, 22%, 0%, 81% | HSV: 221°, 33%, 19%. Copy any format from the conversion table above.

What colors go well with #212631?

The complementary color is HSL(41, 20%, 16%). 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, 20%, 16%) in CSS?

As HSL: color: hsl(221, 20%, 16%); — As HEX: color: #212631; — As RGB: color: rgb(33, 38, 49); — Tailwind CSS: bg-[hsl(221,20%,16%)] — CSS variable: --color-primary: hsl(221, 20%, 16%);