HSL(221, 30%, 16%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,30%,16%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 30%, 16%) color: hsl(221, 30%, 16%)
HEX #1D2435 color: #1D2435
RGB rgb(29, 36, 53) color: rgb(29, 36, 53)
CMYK cmyk(45%, 32%, 0%, 79%)
HSV hsv(223, 45%, 21%)
HWB hwb(223 12% 79%) color: hwb(223 12% 79%)
OKLCH oklch(0.2618 0.0337 266.86) color: oklch(0.2618 0.0337 266.86)
Lab lab(14.29 2.23 -12.07) color: lab(14.29 2.23 -12.07)
LCH lch(14.29 12.27 280.47) color: lch(14.29 12.27 280.47)

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 15.49:1
vs Black 1.36:1

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)

#202031 — rgb(32, 32, 49)

Deuteranopia (Green-blind)

#201F30 — rgb(32, 31, 48)

Tritanopia (Blue-blind)

#1D2E2D — rgb(29, 46, 45)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 30%, 16%);

text

color: hsl(221, 30%, 16%);

border

border: 2px solid hsl(221, 30%, 16%);

gradient light

background: linear-gradient(to right, hsl(221, 30%, 36%), hsl(221, 30%, 16%));

gradient dark

background: linear-gradient(to right, hsl(221, 30%, 16%), hsl(221, 30%, 0%))

hex

background-color: #1D2435;

tailwind

bg-[hsl(221,30%,16%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 30%, 16%, 0.4);

css variable

--color-primary: hsl(221, 30%, 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, 30%, 16%)?

HEX: #1D2435 | RGB: rgb(29, 36, 53) | CMYK: 45%, 32%, 0%, 79% | HSV: 223°, 45%, 21%. Copy any format from the conversion table above.

What colors go well with #1D2435?

The complementary color is HSL(41, 30%, 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, 30%, 16%) in CSS?

As HSL: color: hsl(221, 30%, 16%); — As HEX: color: #1D2435; — As RGB: color: rgb(29, 36, 53); — Tailwind CSS: bg-[hsl(221,30%,16%)] — CSS variable: --color-primary: hsl(221, 30%, 16%);