HSL(233, 40%, 6%)

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(233,40%,6%)]

Color Conversions

Format Value CSS Usage
HSL hsl(233, 40%, 6%) color: hsl(233, 40%, 6%)
HEX #090B15 color: #090B15
RGB rgb(9, 11, 21) color: rgb(9, 11, 21)
CMYK cmyk(57%, 48%, 0%, 92%)
HSV hsv(230, 57%, 8%)
HWB hwb(230 3% 92%) color: hwb(230 3% 92%)
OKLCH oklch(0.1529 0.0218 274.75) color: oklch(0.1529 0.0218 274.75)
Lab lab(3.18 1.37 -5.36) color: lab(3.18 1.37 -5.36)
LCH lch(3.18 5.53 284.34) color: lch(3.18 5.53 284.34)

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 19.62:1
vs Black 1.07:1

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)

#0A0A13 — rgb(10, 10, 19)

Deuteranopia (Green-blind)

#0A0A12 — rgb(10, 10, 18)

Tritanopia (Blue-blind)

#091110 — rgb(9, 17, 16)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(233, 40%, 6%);

text

color: hsl(233, 40%, 6%);

border

border: 2px solid hsl(233, 40%, 6%);

gradient light

background: linear-gradient(to right, hsl(233, 40%, 26%), hsl(233, 40%, 6%));

gradient dark

background: linear-gradient(to right, hsl(233, 40%, 6%), hsl(233, 40%, 0%))

hex

background-color: #090B15;

tailwind

bg-[hsl(233,40%,6%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(233, 40%, 6%, 0.4);

css variable

--color-primary: hsl(233, 40%, 6%);

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(233, 40%, 6%)?

HEX: #090B15 | RGB: rgb(9, 11, 21) | CMYK: 57%, 48%, 0%, 92% | HSV: 230°, 57%, 8%. Copy any format from the conversion table above.

What colors go well with #090B15?

The complementary color is HSL(53, 40%, 6%). For a triadic harmony, use hues 233°, 353°, and 113°. For analogous combinations, try hues 203° and 263°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(233, 40%, 6%) in CSS?

As HSL: color: hsl(233, 40%, 6%); — As HEX: color: #090B15; — As RGB: color: rgb(9, 11, 21); — Tailwind CSS: bg-[hsl(233,40%,6%)] — CSS variable: --color-primary: hsl(233, 40%, 6%);