HSL(221, 66%, 17%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,66%,17%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 66%, 17%) color: hsl(221, 66%, 17%)
HEX #0F2148 color: #0F2148
RGB rgb(15, 33, 72) color: rgb(15, 33, 72)
CMYK cmyk(79%, 54%, 0%, 72%)
HSV hsv(221, 79%, 28%)
HWB hwb(221 6% 72%) color: hwb(221 6% 72%)
OKLCH oklch(0.2578 0.0767 263.37) color: oklch(0.2578 0.0767 263.37)
Lab lab(13.57 8.47 -26.57) color: lab(13.57 8.47 -26.57)
LCH lch(13.57 27.89 287.68) color: lch(13.57 27.89 287.68)

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 15.77:1
vs Black 1.33:1

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)

#17173F — rgb(23, 23, 63)

Deuteranopia (Green-blind)

#16143C — rgb(22, 20, 60)

Tritanopia (Blue-blind)

#103735 — rgb(16, 55, 53)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 66%, 17%);

text

color: hsl(221, 66%, 17%);

border

border: 2px solid hsl(221, 66%, 17%);

gradient light

background: linear-gradient(to right, hsl(221, 66%, 37%), hsl(221, 66%, 17%));

gradient dark

background: linear-gradient(to right, hsl(221, 66%, 17%), hsl(221, 66%, 0%))

hex

background-color: #0F2148;

tailwind

bg-[hsl(221,66%,17%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 66%, 17%, 0.4);

css variable

--color-primary: hsl(221, 66%, 17%);

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, 66%, 17%)?

HEX: #0F2148 | RGB: rgb(15, 33, 72) | CMYK: 79%, 54%, 0%, 72% | HSV: 221°, 79%, 28%. Copy any format from the conversion table above.

What colors go well with #0F2148?

The complementary color is HSL(41, 66%, 17%). 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, 66%, 17%) in CSS?

As HSL: color: hsl(221, 66%, 17%); — As HEX: color: #0F2148; — As RGB: color: rgb(15, 33, 72); — Tailwind CSS: bg-[hsl(221,66%,17%)] — CSS variable: --color-primary: hsl(221, 66%, 17%);