HSL(221, 70%, 31%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(221,70%,31%)]

Color Conversions

Format Value CSS Usage
HSL hsl(221, 70%, 31%) color: hsl(221, 70%, 31%)
HEX #183B86 color: #183B86
RGB rgb(24, 59, 134) color: rgb(24, 59, 134)
CMYK cmyk(82%, 56%, 0%, 47%)
HSV hsv(221, 82%, 53%)
HWB hwb(221 10% 47%) color: hwb(221 10% 47%)
OKLCH oklch(0.3754 0.1324 262.85) color: oklch(0.3754 0.1324 262.85)
Lab lab(26.86 17.01 -45.56) color: lab(26.86 17.01 -45.56)
LCH lch(26.86 48.63 290.47) color: lch(26.86 48.63 290.47)

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 10.45:1
vs Black 2.01:1

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)

#272774 — rgb(39, 39, 116)

Deuteranopia (Green-blind)

#252370 — rgb(37, 35, 112)

Tritanopia (Blue-blind)

#1A6662 — rgb(26, 102, 98)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(221, 70%, 31%);

text

color: hsl(221, 70%, 31%);

border

border: 2px solid hsl(221, 70%, 31%);

gradient light

background: linear-gradient(to right, hsl(221, 70%, 51%), hsl(221, 70%, 31%));

gradient dark

background: linear-gradient(to right, hsl(221, 70%, 31%), hsl(221, 70%, 11%))

hex

background-color: #183B86;

tailwind

bg-[hsl(221,70%,31%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(221, 70%, 31%, 0.4);

css variable

--color-primary: hsl(221, 70%, 31%);

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, 70%, 31%)?

HEX: #183B86 | RGB: rgb(24, 59, 134) | CMYK: 82%, 56%, 0%, 47% | HSV: 221°, 82%, 53%. Copy any format from the conversion table above.

What colors go well with #183B86?

The complementary color is HSL(41, 70%, 31%). 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, 70%, 31%) in CSS?

As HSL: color: hsl(221, 70%, 31%); — As HEX: color: #183B86; — As RGB: color: rgb(24, 59, 134); — Tailwind CSS: bg-[hsl(221,70%,31%)] — CSS variable: --color-primary: hsl(221, 70%, 31%);