HSL(233, 21%, 28%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(233,21%,28%)]

Color Conversions

Format Value CSS Usage
HSL hsl(233, 21%, 28%) color: hsl(233, 21%, 28%)
HEX #383C56 color: #383C56
RGB rgb(56, 60, 86) color: rgb(56, 60, 86)
CMYK cmyk(35%, 30%, 0%, 66%)
HSV hsv(232, 35%, 34%)
HWB hwb(232 22% 66%) color: hwb(232 22% 66%)
OKLCH oklch(0.364 0.0452 277.16) color: oklch(0.364 0.0452 277.16)
Lab lab(25.99 5.41 -16.17) color: lab(25.99 5.41 -16.17)
LCH lch(25.99 17.05 288.5) color: lch(25.99 17.05 288.5)

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 10.78:1
vs Black 1.95:1

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)

#3A3A50 — rgb(58, 58, 80)

Deuteranopia (Green-blind)

#3A394E — rgb(58, 57, 78)

Tritanopia (Blue-blind)

#384B4A — rgb(56, 75, 74)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(233, 21%, 28%);

text

color: hsl(233, 21%, 28%);

border

border: 2px solid hsl(233, 21%, 28%);

gradient light

background: linear-gradient(to right, hsl(233, 21%, 48%), hsl(233, 21%, 28%));

gradient dark

background: linear-gradient(to right, hsl(233, 21%, 28%), hsl(233, 21%, 8%))

hex

background-color: #383C56;

tailwind

bg-[hsl(233,21%,28%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(233, 21%, 28%, 0.4);

css variable

--color-primary: hsl(233, 21%, 28%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(233, 21%, 28%)?

HEX: #383C56 | RGB: rgb(56, 60, 86) | CMYK: 35%, 30%, 0%, 66% | HSV: 232°, 35%, 34%. Copy any format from the conversion table above.

What colors go well with #383C56?

The complementary color is HSL(53, 21%, 28%). 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, 21%, 28%) in CSS?

As HSL: color: hsl(233, 21%, 28%); — As HEX: color: #383C56; — As RGB: color: rgb(56, 60, 86); — Tailwind CSS: bg-[hsl(233,21%,28%)] — CSS variable: --color-primary: hsl(233, 21%, 28%);