HSL(221, 17%, 20%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(221,17%,20%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 17%, 20%) color: hsl(221, 17%, 20%)
HEX #2A303C color: #2A303C
RGB rgb(42, 48, 60) color: rgb(42, 48, 60)
CMYK cmyk(30%, 20%, 0%, 76%)
HSV hsv(220, 30%, 24%)
HWB hwb(220 17% 76%) color: hwb(220 17% 76%)
OKLCH oklch(0.3086 0.0232 264.15) color: oklch(0.3086 0.0232 264.15)
Lab lab(19.77 0.74 -8.44) color: lab(19.77 0.74 -8.44)
LCH lch(19.77 8.47 275.01) color: lch(19.77 8.47 275.01)

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 13.24:1
vs Black 1.59:1

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)

#2D2D39 — rgb(45, 45, 57)

Deuteranopia (Green-blind)

#2C2C38 — rgb(44, 44, 56)

Tritanopia (Blue-blind)

#2A3736 — rgb(42, 55, 54)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 17%, 20%);

text

color: hsl(221, 17%, 20%);

border

border: 2px solid hsl(221, 17%, 20%);

gradient light

background: linear-gradient(to right, hsl(221, 17%, 40%), hsl(221, 17%, 20%));

gradient dark

background: linear-gradient(to right, hsl(221, 17%, 20%), hsl(221, 17%, 0%))

hex

background-color: #2A303C;

tailwind

bg-[hsl(221,17%,20%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 17%, 20%, 0.4);

css variable

--color-primary: hsl(221, 17%, 20%);

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, 17%, 20%)?

HEX: #2A303C | RGB: rgb(42, 48, 60) | CMYK: 30%, 20%, 0%, 76% | HSV: 220°, 30%, 24%. Copy any format from the conversion table above.

What colors go well with #2A303C?

The complementary color is HSL(41, 17%, 20%). 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, 17%, 20%) in CSS?

As HSL: color: hsl(221, 17%, 20%); — As HEX: color: #2A303C; — As RGB: color: rgb(42, 48, 60); — Tailwind CSS: bg-[hsl(221,17%,20%)] — CSS variable: --color-primary: hsl(221, 17%, 20%);