HSL(227, 75%, 45%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(227,75%,45%)]

Color Conversions

Format Value CSS Usage
HSL hsl(227, 75%, 45%) color: hsl(227, 75%, 45%)
HEX #1D42C9 color: #1D42C9
RGB rgb(29, 66, 201) color: rgb(29, 66, 201)
CMYK cmyk(86%, 67%, 0%, 21%)
HSV hsv(227, 86%, 79%)
HWB hwb(227 11% 21%) color: hwb(227 11% 21%)
OKLCH oklch(0.4527 0.212 265.65) color: oklch(0.4527 0.212 265.65)
Lab lab(34.75 38.83 -72.91) color: lab(34.75 38.83 -72.91)
LCH lch(34.75 82.61 298.04) color: lch(34.75 82.61 298.04)

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 7.85:1
vs Black 2.67:1

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)

#2D2DA8 — rgb(45, 45, 168)

Deuteranopia (Green-blind)

#2B28A1 — rgb(43, 40, 161)

Tritanopia (Blue-blind)

#1F8F89 — rgb(31, 143, 137)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(227, 75%, 45%);

text

color: hsl(227, 75%, 45%);

border

border: 2px solid hsl(227, 75%, 45%);

gradient light

background: linear-gradient(to right, hsl(227, 75%, 65%), hsl(227, 75%, 45%));

gradient dark

background: linear-gradient(to right, hsl(227, 75%, 45%), hsl(227, 75%, 25%))

hex

background-color: #1D42C9;

tailwind

bg-[hsl(227,75%,45%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(227, 75%, 45%, 0.4);

css variable

--color-primary: hsl(227, 75%, 45%);

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(227, 75%, 45%)?

HEX: #1D42C9 | RGB: rgb(29, 66, 201) | CMYK: 86%, 67%, 0%, 21% | HSV: 227°, 86%, 79%. Copy any format from the conversion table above.

What colors go well with #1D42C9?

The complementary color is HSL(47, 75%, 45%). For a triadic harmony, use hues 227°, 347°, and 107°. For analogous combinations, try hues 197° and 257°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(227, 75%, 45%) in CSS?

As HSL: color: hsl(227, 75%, 45%); — As HEX: color: #1D42C9; — As RGB: color: rgb(29, 66, 201); — Tailwind CSS: bg-[hsl(227,75%,45%)] — CSS variable: --color-primary: hsl(227, 75%, 45%);