HSL(237, 83%, 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(237,83%,7%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 83%, 7%) color: hsl(237, 83%, 7%)
HEX #030521 color: #030521
RGB rgb(3, 5, 33) color: rgb(3, 5, 33)
CMYK cmyk(91%, 85%, 0%, 87%)
HSV hsv(236, 91%, 13%)
HWB hwb(236 1% 87%) color: hwb(236 1% 87%)
OKLCH oklch(0.1382 0.0604 270.66) color: oklch(0.1382 0.0604 270.66)
Lab lab(2.15 5.75 -16.28) color: lab(2.15 5.75 -16.28)
LCH lch(2.15 17.27 289.45) color: lch(2.15 17.27 289.45)

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 20.05:1
vs Black 1.05:1

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)

#04041A — rgb(4, 4, 26)

Deuteranopia (Green-blind)

#040419 — rgb(4, 4, 25)

Tritanopia (Blue-blind)

#031514 — rgb(3, 21, 20)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 83%, 7%);

text

color: hsl(237, 83%, 7%);

border

border: 2px solid hsl(237, 83%, 7%);

gradient light

background: linear-gradient(to right, hsl(237, 83%, 27%), hsl(237, 83%, 7%));

gradient dark

background: linear-gradient(to right, hsl(237, 83%, 7%), hsl(237, 83%, 0%))

hex

background-color: #030521;

tailwind

bg-[hsl(237,83%,7%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 83%, 7%, 0.4);

css variable

--color-primary: hsl(237, 83%, 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(237, 83%, 7%)?

HEX: #030521 | RGB: rgb(3, 5, 33) | CMYK: 91%, 85%, 0%, 87% | HSV: 236°, 91%, 13%. Copy any format from the conversion table above.

What colors go well with #030521?

The complementary color is HSL(57, 83%, 7%). 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, 83%, 7%) in CSS?

As HSL: color: hsl(237, 83%, 7%); — As HEX: color: #030521; — As RGB: color: rgb(3, 5, 33); — Tailwind CSS: bg-[hsl(237,83%,7%)] — CSS variable: --color-primary: hsl(237, 83%, 7%);