HSL(237, 75%, 38%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,75%,38%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 75%, 38%) color: hsl(237, 75%, 38%)
HEX #181FAA color: #181FAA
RGB rgb(24, 31, 170) color: rgb(24, 31, 170)
CMYK cmyk(86%, 82%, 0%, 33%)
HSV hsv(237, 86%, 67%)
HWB hwb(237 9% 33%) color: hwb(237 9% 33%)
OKLCH oklch(0.3648 0.21 268.1) color: oklch(0.3648 0.21 268.1)
Lab lab(23.92 48.15 -72.45) color: lab(23.92 48.15 -72.45)
LCH lch(23.92 86.99 303.61) color: lch(23.92 86.99 303.61)

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 11.57:1
vs Black 1.82:1

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)

#1B1B88 — rgb(27, 27, 136)

Deuteranopia (Green-blind)

#1B1A80 — rgb(27, 26, 128)

Tritanopia (Blue-blind)

#186E68 — rgb(24, 110, 104)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 75%, 38%);

text

color: hsl(237, 75%, 38%);

border

border: 2px solid hsl(237, 75%, 38%);

gradient light

background: linear-gradient(to right, hsl(237, 75%, 58%), hsl(237, 75%, 38%));

gradient dark

background: linear-gradient(to right, hsl(237, 75%, 38%), hsl(237, 75%, 18%))

hex

background-color: #181FAA;

tailwind

bg-[hsl(237,75%,38%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 75%, 38%, 0.4);

css variable

--color-primary: hsl(237, 75%, 38%);

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, 75%, 38%)?

HEX: #181FAA | RGB: rgb(24, 31, 170) | CMYK: 86%, 82%, 0%, 33% | HSV: 237°, 86%, 67%. Copy any format from the conversion table above.

What colors go well with #181FAA?

The complementary color is HSL(57, 75%, 38%). 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, 75%, 38%) in CSS?

As HSL: color: hsl(237, 75%, 38%); — As HEX: color: #181FAA; — As RGB: color: rgb(24, 31, 170); — Tailwind CSS: bg-[hsl(237,75%,38%)] — CSS variable: --color-primary: hsl(237, 75%, 38%);