HSL(221, 90%, 5%)

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(221,90%,5%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 90%, 5%) color: hsl(221, 90%, 5%)
HEX #010918 color: #010918
RGB rgb(1, 9, 24) color: rgb(1, 9, 24)
CMYK cmyk(96%, 63%, 0%, 91%) —
HSV hsv(219, 96%, 9%) —
HWB hwb(219 0% 91%) color: hwb(219 0% 91%)
OKLCH oklch(0.1393 0.0378 253.85) color: oklch(0.1393 0.0378 253.85)
Lab lab(2.42 0.84 -8.72) color: lab(2.42 0.84 -8.72)
LCH lch(2.42 8.76 275.5) color: lch(2.42 8.76 275.5)

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 19.93:1
vs Black 1.05:1

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)

#040514 — rgb(4, 5, 20)

Deuteranopia (Green-blind)

#040314 — rgb(4, 3, 20)

Tritanopia (Blue-blind)

#011211 — rgb(1, 18, 17)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 90%, 5%);

text

color: hsl(221, 90%, 5%);

border

border: 2px solid hsl(221, 90%, 5%);

gradient light

background: linear-gradient(to right, hsl(221, 90%, 25%), hsl(221, 90%, 5%));

gradient dark

background: linear-gradient(to right, hsl(221, 90%, 5%), hsl(221, 90%, 0%))

hex

background-color: #010918;

tailwind

bg-[hsl(221,90%,5%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 90%, 5%, 0.4);

css variable

--color-primary: hsl(221, 90%, 5%);

Related Colors

#040916

221,70,5

#00081A

221,100,5

#000000

221,90,0

#062B79

221,90,25

#010E18

206,90,5

#010C18

211,90,5

#010518

231,90,5

#010318

236,90,5

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, 90%, 5%)?

HEX: #010918 | RGB: rgb(1, 9, 24) | CMYK: 96%, 63%, 0%, 91% | HSV: 219°, 96%, 9%. Copy any format from the conversion table above.

What colors go well with #010918?

The complementary color is HSL(41, 90%, 5%). 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, 90%, 5%) in CSS?

As HSL: color: hsl(221, 90%, 5%); — As HEX: color: #010918; — As RGB: color: rgb(1, 9, 24); — Tailwind CSS: bg-[hsl(221,90%,5%)] — CSS variable: --color-primary: hsl(221, 90%, 5%);