HSL(239, 70%, 23%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(239,70%,23%)]

Color Conversions

Format Value CSS Usage
HSL hsl(239, 70%, 23%) color: hsl(239, 70%, 23%)
HEX #121364 color: #121364
RGB rgb(18, 19, 100) color: rgb(18, 19, 100)
CMYK cmyk(82%, 81%, 0%, 61%)
HSV hsv(239, 82%, 39%)
HWB hwb(239 7% 61%) color: hwb(239 7% 61%)
OKLCH oklch(0.2604 0.1359 271.38) color: oklch(0.2604 0.1359 271.38)
Lab lab(12.7 30.39 -46.94) color: lab(12.7 30.39 -46.94)
LCH lch(12.7 55.92 302.92) color: lch(12.7 55.92 302.92)

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 16.12:1
vs Black 1.3:1

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)

#121250 — rgb(18, 18, 80)

Deuteranopia (Green-blind)

#12124C — rgb(18, 18, 76)

Tritanopia (Blue-blind)

#12413E — rgb(18, 65, 62)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(239, 70%, 23%);

text

color: hsl(239, 70%, 23%);

border

border: 2px solid hsl(239, 70%, 23%);

gradient light

background: linear-gradient(to right, hsl(239, 70%, 43%), hsl(239, 70%, 23%));

gradient dark

background: linear-gradient(to right, hsl(239, 70%, 23%), hsl(239, 70%, 3%))

hex

background-color: #121364;

tailwind

bg-[hsl(239,70%,23%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(239, 70%, 23%, 0.4);

css variable

--color-primary: hsl(239, 70%, 23%);

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(239, 70%, 23%)?

HEX: #121364 | RGB: rgb(18, 19, 100) | CMYK: 82%, 81%, 0%, 61% | HSV: 239°, 82%, 39%. Copy any format from the conversion table above.

What colors go well with #121364?

The complementary color is HSL(59, 70%, 23%). For a triadic harmony, use hues 239°, 359°, and 119°. For analogous combinations, try hues 209° and 269°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(239, 70%, 23%) in CSS?

As HSL: color: hsl(239, 70%, 23%); — As HEX: color: #121364; — As RGB: color: rgb(18, 19, 100); — Tailwind CSS: bg-[hsl(239,70%,23%)] — CSS variable: --color-primary: hsl(239, 70%, 23%);