HSL(221, 66%, 23%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,66%,23%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 66%, 23%) color: hsl(221, 66%, 23%)
HEX #142C61 color: #142C61
RGB rgb(20, 44, 97) color: rgb(20, 44, 97)
CMYK cmyk(79%, 55%, 0%, 62%)
HSV hsv(221, 79%, 38%)
HWB hwb(221 8% 62%) color: hwb(221 8% 62%)
OKLCH oklch(0.3082 0.099 263.4) color: oklch(0.3082 0.099 263.4)
Lab lab(19.28 11.81 -34.19) color: lab(19.28 11.81 -34.19)
LCH lch(19.28 36.17 289.06) color: lch(19.28 36.17 289.06)

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 13.44:1
vs Black 1.56:1

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)

#1E1F54 — rgb(30, 31, 84)

Deuteranopia (Green-blind)

#1D1B51 — rgb(29, 27, 81)

Tritanopia (Blue-blind)

#154A48 — rgb(21, 74, 72)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 66%, 23%);

text

color: hsl(221, 66%, 23%);

border

border: 2px solid hsl(221, 66%, 23%);

gradient light

background: linear-gradient(to right, hsl(221, 66%, 43%), hsl(221, 66%, 23%));

gradient dark

background: linear-gradient(to right, hsl(221, 66%, 23%), hsl(221, 66%, 3%))

hex

background-color: #142C61;

tailwind

bg-[hsl(221,66%,23%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 66%, 23%, 0.4);

css variable

--color-primary: hsl(221, 66%, 23%);

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%, 23%)?

HEX: #142C61 | RGB: rgb(20, 44, 97) | CMYK: 79%, 55%, 0%, 62% | HSV: 221°, 79%, 38%. Copy any format from the conversion table above.

What colors go well with #142C61?

The complementary color is HSL(41, 66%, 23%). 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%, 23%) in CSS?

As HSL: color: hsl(221, 66%, 23%); — As HEX: color: #142C61; — As RGB: color: rgb(20, 44, 97); — Tailwind CSS: bg-[hsl(221,66%,23%)] — CSS variable: --color-primary: hsl(221, 66%, 23%);