HSL(243, 72%, 43%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(243,72%,43%)]

Color Conversions

Format Value CSS Usage
HSL hsl(243, 72%, 43%) color: hsl(243, 72%, 43%)
HEX #271FBD color: #271FBD
RGB rgb(39, 31, 189) color: rgb(39, 31, 189)
CMYK cmyk(79%, 84%, 0%, 26%)
HSV hsv(243, 84%, 74%)
HWB hwb(243 12% 26%) color: hwb(243 12% 26%)
OKLCH oklch(0.3947 0.2278 271.14) color: oklch(0.3947 0.2278 271.14)
Lab lab(26.97 54.75 -78.71) color: lab(26.97 54.75 -78.71)
LCH lch(26.97 95.88 304.82) color: lch(26.97 95.88 304.82)

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 10.41:1
vs Black 2.02:1

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)

#242397 — rgb(36, 35, 151)

Deuteranopia (Green-blind)

#24258E — rgb(36, 37, 142)

Tritanopia (Blue-blind)

#277972 — rgb(39, 121, 114)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(243, 72%, 43%);

text

color: hsl(243, 72%, 43%);

border

border: 2px solid hsl(243, 72%, 43%);

gradient light

background: linear-gradient(to right, hsl(243, 72%, 63%), hsl(243, 72%, 43%));

gradient dark

background: linear-gradient(to right, hsl(243, 72%, 43%), hsl(243, 72%, 23%))

hex

background-color: #271FBD;

tailwind

bg-[hsl(243,72%,43%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(243, 72%, 43%, 0.4);

css variable

--color-primary: hsl(243, 72%, 43%);

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(243, 72%, 43%)?

HEX: #271FBD | RGB: rgb(39, 31, 189) | CMYK: 79%, 84%, 0%, 26% | HSV: 243°, 84%, 74%. Copy any format from the conversion table above.

What colors go well with #271FBD?

The complementary color is HSL(63, 72%, 43%). For a triadic harmony, use hues 243°, 3°, and 123°. For analogous combinations, try hues 213° and 273°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(243, 72%, 43%) in CSS?

As HSL: color: hsl(243, 72%, 43%); — As HEX: color: #271FBD; — As RGB: color: rgb(39, 31, 189); — Tailwind CSS: bg-[hsl(243,72%,43%)] — CSS variable: --color-primary: hsl(243, 72%, 43%);