HSL(221, 20%, 13%)

Very Dark Blue — Blue color

Adjust Color

Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,20%,13%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 20%, 13%) color: hsl(221, 20%, 13%)
HEX #1B1F28 color: #1B1F28
RGB rgb(27, 31, 40) color: rgb(27, 31, 40)
CMYK cmyk(33%, 23%, 0%, 84%) —
HSV hsv(222, 33%, 16%) —
HWB hwb(222 11% 84%) color: hwb(222 11% 84%)
OKLCH oklch(0.2393 0.0183 266.21) color: oklch(0.2393 0.0183 266.21)
Lab lab(11.73 0.8 -6.67) color: lab(11.73 0.8 -6.67)
LCH lch(11.73 6.72 276.84) color: lch(11.73 6.72 276.84)

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 16.49:1
vs Black 1.27:1

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)

#1D1D26 — rgb(29, 29, 38)

Deuteranopia (Green-blind)

#1D1C25 — rgb(29, 28, 37)

Tritanopia (Blue-blind)

#1B2424 — rgb(27, 36, 36)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 20%, 13%);

text

color: hsl(221, 20%, 13%);

border

border: 2px solid hsl(221, 20%, 13%);

gradient light

background: linear-gradient(to right, hsl(221, 20%, 33%), hsl(221, 20%, 13%));

gradient dark

background: linear-gradient(to right, hsl(221, 20%, 13%), hsl(221, 20%, 0%))

hex

background-color: #1B1F28;

tailwind

bg-[hsl(221,20%,13%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 20%, 13%, 0.4);

css variable

--color-primary: hsl(221, 20%, 13%);

Related Colors

#212121

221,0,13

#141C2E

221,40,13

#000000

221,20,0

#434E65

221,20,33

#1B2228

206,20,13

#1B2128

211,20,13

#1B1D28

231,20,13

#1B1B28

236,20,13

Use Cases for Very Dark Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(221, 20%, 13%)?

HEX: #1B1F28 | RGB: rgb(27, 31, 40) | CMYK: 33%, 23%, 0%, 84% | HSV: 222°, 33%, 16%. Copy any format from the conversion table above.

What colors go well with #1B1F28?

The complementary color is HSL(41, 20%, 13%). 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%, 13%) in CSS?

As HSL: color: hsl(221, 20%, 13%); — As HEX: color: #1B1F28; — As RGB: color: rgb(27, 31, 40); — Tailwind CSS: bg-[hsl(221,20%,13%)] — CSS variable: --color-primary: hsl(221, 20%, 13%);