HSL(237, 66%, 39%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,66%,39%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 66%, 39%) color: hsl(237, 66%, 39%)
HEX #2228A5 color: #2228A5
RGB rgb(34, 40, 165) color: rgb(34, 40, 165)
CMYK cmyk(79%, 76%, 0%, 35%)
HSV hsv(237, 79%, 65%)
HWB hwb(237 14% 35%) color: hwb(237 14% 35%)
OKLCH oklch(0.3754 0.1935 270.42) color: oklch(0.3754 0.1935 270.42)
Lab lab(25.48 42.2 -66.83) color: lab(25.48 42.2 -66.83)
LCH lch(25.48 79.04 302.27) color: lch(25.48 79.04 302.27)

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 10.97:1
vs Black 1.91:1

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)

#252587 — rgb(37, 37, 135)

Deuteranopia (Green-blind)

#242480 — rgb(36, 36, 128)

Tritanopia (Blue-blind)

#226F6A — rgb(34, 111, 106)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 66%, 39%);

text

color: hsl(237, 66%, 39%);

border

border: 2px solid hsl(237, 66%, 39%);

gradient light

background: linear-gradient(to right, hsl(237, 66%, 59%), hsl(237, 66%, 39%));

gradient dark

background: linear-gradient(to right, hsl(237, 66%, 39%), hsl(237, 66%, 19%))

hex

background-color: #2228A5;

tailwind

bg-[hsl(237,66%,39%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 66%, 39%, 0.4);

css variable

--color-primary: hsl(237, 66%, 39%);

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(237, 66%, 39%)?

HEX: #2228A5 | RGB: rgb(34, 40, 165) | CMYK: 79%, 76%, 0%, 35% | HSV: 237°, 79%, 65%. Copy any format from the conversion table above.

What colors go well with #2228A5?

The complementary color is HSL(57, 66%, 39%). 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, 66%, 39%) in CSS?

As HSL: color: hsl(237, 66%, 39%); — As HEX: color: #2228A5; — As RGB: color: rgb(34, 40, 165); — Tailwind CSS: bg-[hsl(237,66%,39%)] — CSS variable: --color-primary: hsl(237, 66%, 39%);