HSL(237, 17%, 30%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

N/A

CSS Class

bg-[hsl(237,17%,30%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 17%, 30%) color: hsl(237, 17%, 30%)
HEX #3F415A color: #3F415A
RGB rgb(63, 65, 90) color: rgb(63, 65, 90)
CMYK cmyk(30%, 28%, 0%, 65%) —
HSV hsv(236, 30%, 35%) —
HWB hwb(236 25% 65%) color: hwb(236 25% 65%)
OKLCH oklch(0.3841 0.0425 280.64) color: oklch(0.3841 0.0425 280.64)
Lab lab(28.31 5.67 -15.14) color: lab(28.31 5.67 -15.14)
LCH lch(28.31 16.17 290.53) color: lch(28.31 16.17 290.53)

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 9.93:1
vs Black 2.12:1

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)

#404054 — rgb(64, 64, 84)

Deuteranopia (Green-blind)

#404053 — rgb(64, 64, 83)

Tritanopia (Blue-blind)

#3F4F4E — rgb(63, 79, 78)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 17%, 30%);

text

color: hsl(237, 17%, 30%);

border

border: 2px solid hsl(237, 17%, 30%);

gradient light

background: linear-gradient(to right, hsl(237, 17%, 50%), hsl(237, 17%, 30%));

gradient dark

background: linear-gradient(to right, hsl(237, 17%, 30%), hsl(237, 17%, 10%))

hex

background-color: #3F415A;

tailwind

bg-[hsl(237,17%,30%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 17%, 30%, 0.4);

css variable

--color-primary: hsl(237, 17%, 30%);

Related Colors

#4D4D4D

237,0,30

#303369

237,37,30

#15161E

237,17,10

#6A6C95

237,17,50

#3F475A

222,17,30

#3F455A

227,17,30

#433F5A

247,17,30

#453F5A

252,17,30

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, 17%, 30%)?

HEX: #3F415A | RGB: rgb(63, 65, 90) | CMYK: 30%, 28%, 0%, 65% | HSV: 236°, 30%, 35%. Copy any format from the conversion table above.

What colors go well with #3F415A?

The complementary color is HSL(57, 17%, 30%). 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, 17%, 30%) in CSS?

As HSL: color: hsl(237, 17%, 30%); — As HEX: color: #3F415A; — As RGB: color: rgb(63, 65, 90); — Tailwind CSS: bg-[hsl(237,17%,30%)] — CSS variable: --color-primary: hsl(237, 17%, 30%);