HSL(221, 20%, 50%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,20%,50%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 20%, 50%) color: hsl(221, 20%, 50%)
HEX #667699 color: #667699
RGB rgb(102, 118, 153) color: rgb(102, 118, 153)
CMYK cmyk(33%, 23%, 0%, 40%) —
HSV hsv(221, 33%, 60%) —
HWB hwb(221 40% 40%) color: hwb(221 40% 40%)
OKLCH oklch(0.5664 0.0577 265.49) color: oklch(0.5664 0.0577 265.49)
Lab lab(49.59 2.83 -20.82) color: lab(49.59 2.83 -20.82)
LCH lch(49.59 21.01 277.74) color: lch(49.59 21.01 277.74)

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 4.55:1
vs Black 4.62:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: PASS ✓

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: black

Color Blindness Simulation

Protanopia (Red-blind)

#6D6D91 — rgb(109, 109, 145)

Deuteranopia (Green-blind)

#6C6B8F — rgb(108, 107, 143)

Tritanopia (Blue-blind)

#678A88 — rgb(103, 138, 136)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 20%, 50%);

text

color: hsl(221, 20%, 50%);

border

border: 2px solid hsl(221, 20%, 50%);

gradient light

background: linear-gradient(to right, hsl(221, 20%, 70%), hsl(221, 20%, 50%));

gradient dark

background: linear-gradient(to right, hsl(221, 20%, 50%), hsl(221, 20%, 30%))

hex

background-color: #667699;

tailwind

bg-[hsl(221,20%,50%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 20%, 50%, 0.4);

css variable

--color-primary: hsl(221, 20%, 50%);

Related Colors

#808080

221,0,50

#4D6DB3

221,40,50

#3D475C

221,20,30

#A3ADC2

221,20,70

#668399

206,20,50

#667F99

211,20,50

#666E99

231,20,50

#666999

236,20,50

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, 20%, 50%)?

HEX: #667699 | RGB: rgb(102, 118, 153) | CMYK: 33%, 23%, 0%, 40% | HSV: 221°, 33%, 60%. Copy any format from the conversion table above.

What colors go well with #667699?

The complementary color is HSL(41, 20%, 50%). 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, 20%, 50%) in CSS?

As HSL: color: hsl(221, 20%, 50%); — As HEX: color: #667699; — As RGB: color: rgb(102, 118, 153); — Tailwind CSS: bg-[hsl(221,20%,50%)] — CSS variable: --color-primary: hsl(221, 20%, 50%);