HSL(237, 91%, 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(237,91%,9%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 91%, 9%) color: hsl(237, 91%, 9%)
HEX #02042C color: #02042C
RGB rgb(2, 4, 44) color: rgb(2, 4, 44)
CMYK cmyk(95%, 91%, 0%, 83%)
HSV hsv(237, 95%, 17%)
HWB hwb(237 1% 83%) color: hwb(237 1% 83%)
OKLCH oklch(0.1486 0.0809 267.9) color: oklch(0.1486 0.0809 267.9)
Lab lab(2.54 10.46 -24.18) color: lab(2.54 10.46 -24.18)
LCH lch(2.54 26.35 293.39) color: lch(2.54 26.35 293.39)

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 19.88:1
vs Black 1.06:1

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)

#030322 — rgb(3, 3, 34)

Deuteranopia (Green-blind)

#030320 — rgb(3, 3, 32)

Tritanopia (Blue-blind)

#021B19 — rgb(2, 27, 25)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 91%, 9%);

text

color: hsl(237, 91%, 9%);

border

border: 2px solid hsl(237, 91%, 9%);

gradient light

background: linear-gradient(to right, hsl(237, 91%, 29%), hsl(237, 91%, 9%));

gradient dark

background: linear-gradient(to right, hsl(237, 91%, 9%), hsl(237, 91%, 0%))

hex

background-color: #02042C;

tailwind

bg-[hsl(237,91%,9%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 91%, 9%, 0.4);

css variable

--color-primary: hsl(237, 91%, 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(237, 91%, 9%)?

HEX: #02042C | RGB: rgb(2, 4, 44) | CMYK: 95%, 91%, 0%, 83% | HSV: 237°, 95%, 17%. Copy any format from the conversion table above.

What colors go well with #02042C?

The complementary color is HSL(57, 91%, 9%). For a triadic harmony, use hues 237°, 357°, and 117°. For analogous combinations, try hues 207° and 267°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(237, 91%, 9%) in CSS?

As HSL: color: hsl(237, 91%, 9%); — As HEX: color: #02042C; — As RGB: color: rgb(2, 4, 44); — Tailwind CSS: bg-[hsl(237,91%,9%)] — CSS variable: --color-primary: hsl(237, 91%, 9%);