HSL(237, 71%, 42%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,71%,42%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 71%, 42%) color: hsl(237, 71%, 42%)
HEX #1F27B7 color: #1F27B7
RGB rgb(31, 39, 183) color: rgb(31, 39, 183)
CMYK cmyk(83%, 79%, 0%, 28%)
HSV hsv(237, 83%, 72%)
HWB hwb(237 12% 28%) color: hwb(237 12% 28%)
OKLCH oklch(0.393 0.2168 268.85) color: oklch(0.393 0.2168 268.85)
Lab lab(27.19 48.59 -74.81) color: lab(27.19 48.59 -74.81)
LCH lch(27.19 89.2 303) color: lch(27.19 89.2 303)

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 10.33:1
vs Black 2.03:1

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)

#222394 — rgb(34, 35, 148)

Deuteranopia (Green-blind)

#22218C — rgb(34, 33, 140)

Tritanopia (Blue-blind)

#1F7973 — rgb(31, 121, 115)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 71%, 42%);

text

color: hsl(237, 71%, 42%);

border

border: 2px solid hsl(237, 71%, 42%);

gradient light

background: linear-gradient(to right, hsl(237, 71%, 62%), hsl(237, 71%, 42%));

gradient dark

background: linear-gradient(to right, hsl(237, 71%, 42%), hsl(237, 71%, 22%))

hex

background-color: #1F27B7;

tailwind

bg-[hsl(237,71%,42%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 71%, 42%, 0.4);

css variable

--color-primary: hsl(237, 71%, 42%);

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, 71%, 42%)?

HEX: #1F27B7 | RGB: rgb(31, 39, 183) | CMYK: 83%, 79%, 0%, 28% | HSV: 237°, 83%, 72%. Copy any format from the conversion table above.

What colors go well with #1F27B7?

The complementary color is HSL(57, 71%, 42%). 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, 71%, 42%) in CSS?

As HSL: color: hsl(237, 71%, 42%); — As HEX: color: #1F27B7; — As RGB: color: rgb(31, 39, 183); — Tailwind CSS: bg-[hsl(237,71%,42%)] — CSS variable: --color-primary: hsl(237, 71%, 42%);