HSL(221, 84%, 10%)

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(221,84%,10%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 84%, 10%) color: hsl(221, 84%, 10%)
HEX #04122F color: #04122F
RGB rgb(4, 18, 47) color: rgb(4, 18, 47)
CMYK cmyk(91%, 62%, 0%, 82%)
HSV hsv(220, 91%, 18%)
HWB hwb(220 2% 82%) color: hwb(220 2% 82%)
OKLCH oklch(0.1902 0.062 261.39) color: oklch(0.1902 0.062 261.39)
Lab lab(5.99 6.09 -20.94) color: lab(5.99 6.09 -20.94)
LCH lch(5.99 21.81 286.22) color: lch(5.99 21.81 286.22)

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 18.54:1
vs Black 1.13:1

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)

#0A0A28 — rgb(10, 10, 40)

Deuteranopia (Green-blind)

#090826 — rgb(9, 8, 38)

Tritanopia (Blue-blind)

#052221 — rgb(5, 34, 33)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 84%, 10%);

text

color: hsl(221, 84%, 10%);

border

border: 2px solid hsl(221, 84%, 10%);

gradient light

background: linear-gradient(to right, hsl(221, 84%, 30%), hsl(221, 84%, 10%));

gradient dark

background: linear-gradient(to right, hsl(221, 84%, 10%), hsl(221, 84%, 0%))

hex

background-color: #04122F;

tailwind

bg-[hsl(221,84%,10%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 84%, 10%, 0.4);

css variable

--color-primary: hsl(221, 84%, 10%);

Related Colors

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, 84%, 10%)?

HEX: #04122F | RGB: rgb(4, 18, 47) | CMYK: 91%, 62%, 0%, 82% | HSV: 220°, 91%, 18%. Copy any format from the conversion table above.

What colors go well with #04122F?

The complementary color is HSL(41, 84%, 10%). 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, 84%, 10%) in CSS?

As HSL: color: hsl(221, 84%, 10%); — As HEX: color: #04122F; — As RGB: color: rgb(4, 18, 47); — Tailwind CSS: bg-[hsl(221,84%,10%)] — CSS variable: --color-primary: hsl(221, 84%, 10%);