HSL(221, 74%, 15%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,74%,15%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 74%, 15%) color: hsl(221, 74%, 15%)
HEX #0A1C43 color: #0A1C43
RGB rgb(10, 28, 67) color: rgb(10, 28, 67)
CMYK cmyk(85%, 58%, 0%, 74%)
HSV hsv(221, 85%, 26%)
HWB hwb(221 4% 74%) color: hwb(221 4% 74%)
OKLCH oklch(0.2384 0.0777 263.15) color: oklch(0.2384 0.0777 263.15)
Lab lab(11.28 9.31 -26.81) color: lab(11.28 9.31 -26.81)
LCH lch(11.28 28.38 289.15) color: lch(11.28 28.38 289.15)

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 16.67:1
vs Black 1.26:1

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)

#12123A — rgb(18, 18, 58)

Deuteranopia (Green-blind)

#110F37 — rgb(17, 15, 55)

Tritanopia (Blue-blind)

#0B3230 — rgb(11, 50, 48)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 74%, 15%);

text

color: hsl(221, 74%, 15%);

border

border: 2px solid hsl(221, 74%, 15%);

gradient light

background: linear-gradient(to right, hsl(221, 74%, 35%), hsl(221, 74%, 15%));

gradient dark

background: linear-gradient(to right, hsl(221, 74%, 15%), hsl(221, 74%, 0%))

hex

background-color: #0A1C43;

tailwind

bg-[hsl(221,74%,15%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 74%, 15%, 0.4);

css variable

--color-primary: hsl(221, 74%, 15%);

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(221, 74%, 15%)?

HEX: #0A1C43 | RGB: rgb(10, 28, 67) | CMYK: 85%, 58%, 0%, 74% | HSV: 221°, 85%, 26%. Copy any format from the conversion table above.

What colors go well with #0A1C43?

The complementary color is HSL(41, 74%, 15%). For a triadic harmony, use hues 221°, 341°, and 101°. For analogous combinations, try hues 191° and 251°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(221, 74%, 15%) in CSS?

As HSL: color: hsl(221, 74%, 15%); — As HEX: color: #0A1C43; — As RGB: color: rgb(10, 28, 67); — Tailwind CSS: bg-[hsl(221,74%,15%)] — CSS variable: --color-primary: hsl(221, 74%, 15%);