HSL(221, 63%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,63%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 63%, 21%) color: hsl(221, 63%, 21%)
HEX #142957 color: #142957
RGB rgb(20, 41, 87) color: rgb(20, 41, 87)
CMYK cmyk(77%, 53%, 0%, 66%)
HSV hsv(221, 77%, 34%)
HWB hwb(221 8% 66%) color: hwb(221 8% 66%)
OKLCH oklch(0.2927 0.0876 263.49) color: oklch(0.2927 0.0876 263.49)
Lab lab(17.56 9.77 -30.32) color: lab(17.56 9.77 -30.32)
LCH lch(17.56 31.86 287.86) color: lch(17.56 31.86 287.86)

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 14.15:1
vs Black 1.48:1

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)

#1D1D4C — rgb(29, 29, 76)

Deuteranopia (Green-blind)

#1C1A49 — rgb(28, 26, 73)

Tritanopia (Blue-blind)

#154341 — rgb(21, 67, 65)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 63%, 21%);

text

color: hsl(221, 63%, 21%);

border

border: 2px solid hsl(221, 63%, 21%);

gradient light

background: linear-gradient(to right, hsl(221, 63%, 41%), hsl(221, 63%, 21%));

gradient dark

background: linear-gradient(to right, hsl(221, 63%, 21%), hsl(221, 63%, 1%))

hex

background-color: #142957;

tailwind

bg-[hsl(221,63%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 63%, 21%, 0.4);

css variable

--color-primary: hsl(221, 63%, 21%);

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, 63%, 21%)?

HEX: #142957 | RGB: rgb(20, 41, 87) | CMYK: 77%, 53%, 0%, 66% | HSV: 221°, 77%, 34%. Copy any format from the conversion table above.

What colors go well with #142957?

The complementary color is HSL(41, 63%, 21%). 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, 63%, 21%) in CSS?

As HSL: color: hsl(221, 63%, 21%); — As HEX: color: #142957; — As RGB: color: rgb(20, 41, 87); — Tailwind CSS: bg-[hsl(221,63%,21%)] — CSS variable: --color-primary: hsl(221, 63%, 21%);