HSL(231, 50%, 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(231,50%,43%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 50%, 43%) color: hsl(231, 50%, 43%)
HEX #3747A4 color: #3747A4
RGB rgb(55, 71, 164) color: rgb(55, 71, 164)
CMYK cmyk(66%, 57%, 0%, 36%) —
HSV hsv(231, 66%, 64%) —
HWB hwb(231 22% 36%) color: hwb(231 22% 36%)
OKLCH oklch(0.4404 0.1503 271.46) color: oklch(0.4404 0.1503 271.46)
Lab lab(33.98 24.69 -52.26) color: lab(33.98 24.69 -52.26)
LCH lch(33.98 57.8 295.29) color: lch(33.98 57.8 295.29)

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 8.08:1
vs Black 2.6:1

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)

#3E3E8D — rgb(62, 62, 141)

Deuteranopia (Green-blind)

#3D3C88 — rgb(61, 60, 136)

Tritanopia (Blue-blind)

#387C78 — rgb(56, 124, 120)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 50%, 43%);

text

color: hsl(231, 50%, 43%);

border

border: 2px solid hsl(231, 50%, 43%);

gradient light

background: linear-gradient(to right, hsl(231, 50%, 63%), hsl(231, 50%, 43%));

gradient dark

background: linear-gradient(to right, hsl(231, 50%, 43%), hsl(231, 50%, 23%))

hex

background-color: #3747A4;

tailwind

bg-[hsl(231,50%,43%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 50%, 43%, 0.4);

css variable

--color-primary: hsl(231, 50%, 43%);

Related Colors

#4D578F

231,30,43

#2138BA

231,70,43

#1D2658

231,50,23

#7180D0

231,50,63

#3763A4

216,50,43

#375AA4

221,50,43

#3937A4

241,50,43

#4237A4

246,50,43

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(231, 50%, 43%)?

HEX: #3747A4 | RGB: rgb(55, 71, 164) | CMYK: 66%, 57%, 0%, 36% | HSV: 231°, 66%, 64%. Copy any format from the conversion table above.

What colors go well with #3747A4?

The complementary color is HSL(51, 50%, 43%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 50%, 43%) in CSS?

As HSL: color: hsl(231, 50%, 43%); — As HEX: color: #3747A4; — As RGB: color: rgb(55, 71, 164); — Tailwind CSS: bg-[hsl(231,50%,43%)] — CSS variable: --color-primary: hsl(231, 50%, 43%);