HSL(221, 31%, 7%)

Very Dark Blue — Blue color

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Color Information

Color Name

Very Dark Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,31%,7%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 31%, 7%) color: hsl(221, 31%, 7%)
HEX #0C1017 color: #0C1017
RGB rgb(12, 16, 23) color: rgb(12, 16, 23)
CMYK cmyk(48%, 30%, 0%, 91%)
HSV hsv(218, 48%, 9%)
HWB hwb(218 5% 91%) color: hwb(218 5% 91%)
OKLCH oklch(0.1723 0.016 261.51) color: oklch(0.1723 0.016 261.51)
Lab lab(4.61 0.25 -4.68) color: lab(4.61 0.25 -4.68)
LCH lch(4.61 4.69 273.06) color: lch(4.61 4.69 273.06)

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 19.05:1
vs Black 1.1:1

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)

#0E0E15 — rgb(14, 14, 21)

Deuteranopia (Green-blind)

#0E0D15 — rgb(14, 13, 21)

Tritanopia (Blue-blind)

#0C1414 — rgb(12, 20, 20)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 31%, 7%);

text

color: hsl(221, 31%, 7%);

border

border: 2px solid hsl(221, 31%, 7%);

gradient light

background: linear-gradient(to right, hsl(221, 31%, 27%), hsl(221, 31%, 7%));

gradient dark

background: linear-gradient(to right, hsl(221, 31%, 7%), hsl(221, 31%, 0%))

hex

background-color: #0C1017;

tailwind

bg-[hsl(221,31%,7%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 31%, 7%, 0.4);

css variable

--color-primary: hsl(221, 31%, 7%);

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, 31%, 7%)?

HEX: #0C1017 | RGB: rgb(12, 16, 23) | CMYK: 48%, 30%, 0%, 91% | HSV: 218°, 48%, 9%. Copy any format from the conversion table above.

What colors go well with #0C1017?

The complementary color is HSL(41, 31%, 7%). 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, 31%, 7%) in CSS?

As HSL: color: hsl(221, 31%, 7%); — As HEX: color: #0C1017; — As RGB: color: rgb(12, 16, 23); — Tailwind CSS: bg-[hsl(221,31%,7%)] — CSS variable: --color-primary: hsl(221, 31%, 7%);