HSL(233, 31%, 9%)

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(233,31%,9%)]

Color Conversions

Format Value CSS Usage
HSL hsl(233, 31%, 9%) color: hsl(233, 31%, 9%)
HEX #10111E color: #10111E
RGB rgb(16, 17, 30) color: rgb(16, 17, 30)
CMYK cmyk(47%, 43%, 0%, 88%)
HSV hsv(236, 47%, 12%)
HWB hwb(236 6% 88%) color: hwb(236 6% 88%)
OKLCH oklch(0.1836 0.0266 280.05) color: oklch(0.1836 0.0266 280.05)
Lab lab(5.46 3.01 -8.83) color: lab(5.46 3.01 -8.83)
LCH lch(5.46 9.33 288.82) color: lch(5.46 9.33 288.82)

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 18.73:1
vs Black 1.12:1

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)

#10101B — rgb(16, 16, 27)

Deuteranopia (Green-blind)

#10101A — rgb(16, 16, 26)

Tritanopia (Blue-blind)

#101818 — rgb(16, 24, 24)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(233, 31%, 9%);

text

color: hsl(233, 31%, 9%);

border

border: 2px solid hsl(233, 31%, 9%);

gradient light

background: linear-gradient(to right, hsl(233, 31%, 29%), hsl(233, 31%, 9%));

gradient dark

background: linear-gradient(to right, hsl(233, 31%, 9%), hsl(233, 31%, 0%))

hex

background-color: #10111E;

tailwind

bg-[hsl(233,31%,9%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(233, 31%, 9%, 0.4);

css variable

--color-primary: hsl(233, 31%, 9%);

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, 31%, 9%)?

HEX: #10111E | RGB: rgb(16, 17, 30) | CMYK: 47%, 43%, 0%, 88% | HSV: 236°, 47%, 12%. Copy any format from the conversion table above.

What colors go well with #10111E?

The complementary color is HSL(53, 31%, 9%). 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, 31%, 9%) in CSS?

As HSL: color: hsl(233, 31%, 9%); — As HEX: color: #10111E; — As RGB: color: rgb(16, 17, 30); — Tailwind CSS: bg-[hsl(233,31%,9%)] — CSS variable: --color-primary: hsl(233, 31%, 9%);