HSL(231, 45%, 45%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,45%,45%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 45%, 45%) color: hsl(231, 45%, 45%)
HEX #3F4FA6 color: #3F4FA6
RGB rgb(63, 79, 166) color: rgb(63, 79, 166)
CMYK cmyk(62%, 52%, 0%, 35%) —
HSV hsv(231, 62%, 65%) —
HWB hwb(231 25% 35%) color: hwb(231 25% 35%)
OKLCH oklch(0.4629 0.1404 271.97) color: oklch(0.4629 0.1404 271.97)
Lab lab(36.75 21.56 -48.96) color: lab(36.75 21.56 -48.96)
LCH lch(36.75 53.5 293.77) color: lch(36.75 53.5 293.77)

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 7.29:1
vs Black 2.88:1

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)

#464691 — rgb(70, 70, 145)

Deuteranopia (Green-blind)

#45448C — rgb(69, 68, 140)

Tritanopia (Blue-blind)

#40807D — rgb(64, 128, 125)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 45%, 45%);

text

color: hsl(231, 45%, 45%);

border

border: 2px solid hsl(231, 45%, 45%);

gradient light

background: linear-gradient(to right, hsl(231, 45%, 65%), hsl(231, 45%, 45%));

gradient dark

background: linear-gradient(to right, hsl(231, 45%, 45%), hsl(231, 45%, 25%))

hex

background-color: #3F4FA6;

tailwind

bg-[hsl(231,45%,45%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 45%, 45%, 0.4);

css variable

--color-primary: hsl(231, 45%, 45%);

Related Colors

#565F8F

231,25,45

#283FBD

231,65,45

#232C5C

231,45,25

#7E8ACE

231,45,65

#3F68A6

216,45,45

#3F60A6

221,45,45

#413FA6

241,45,45

#493FA6

246,45,45

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, 45%, 45%)?

HEX: #3F4FA6 | RGB: rgb(63, 79, 166) | CMYK: 62%, 52%, 0%, 35% | HSV: 231°, 62%, 65%. Copy any format from the conversion table above.

What colors go well with #3F4FA6?

The complementary color is HSL(51, 45%, 45%). 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, 45%, 45%) in CSS?

As HSL: color: hsl(231, 45%, 45%); — As HEX: color: #3F4FA6; — As RGB: color: rgb(63, 79, 166); — Tailwind CSS: bg-[hsl(231,45%,45%)] — CSS variable: --color-primary: hsl(231, 45%, 45%);