HSL(231, 23%, 31%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,23%,31%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 23%, 31%) color: hsl(231, 23%, 31%)
HEX #3D4261 color: #3D4261
RGB rgb(61, 66, 97) color: rgb(61, 66, 97)
CMYK cmyk(37%, 32%, 0%, 62%)
HSV hsv(232, 37%, 38%)
HWB hwb(232 24% 62%) color: hwb(232 24% 62%)
OKLCH oklch(0.3884 0.0531 276.59) color: oklch(0.3884 0.0531 276.59)
Lab lab(28.78 6.41 -18.95) color: lab(28.78 6.41 -18.95)
LCH lch(28.78 20 288.69) color: lch(28.78 20 288.69)

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 9.77:1
vs Black 2.15:1

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)

#3F3F59 — rgb(63, 63, 89)

Deuteranopia (Green-blind)

#3F3F58 — rgb(63, 63, 88)

Tritanopia (Blue-blind)

#3D5452 — rgb(61, 84, 82)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 23%, 31%);

text

color: hsl(231, 23%, 31%);

border

border: 2px solid hsl(231, 23%, 31%);

gradient light

background: linear-gradient(to right, hsl(231, 23%, 51%), hsl(231, 23%, 31%));

gradient dark

background: linear-gradient(to right, hsl(231, 23%, 31%), hsl(231, 23%, 11%))

hex

background-color: #3D4261;

tailwind

bg-[hsl(231,23%,31%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 23%, 31%, 0.4);

css variable

--color-primary: hsl(231, 23%, 31%);

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(231, 23%, 31%)?

HEX: #3D4261 | RGB: rgb(61, 66, 97) | CMYK: 37%, 32%, 0%, 62% | HSV: 232°, 37%, 38%. Copy any format from the conversion table above.

What colors go well with #3D4261?

The complementary color is HSL(51, 23%, 31%). 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, 23%, 31%) in CSS?

As HSL: color: hsl(231, 23%, 31%); — As HEX: color: #3D4261; — As RGB: color: rgb(61, 66, 97); — Tailwind CSS: bg-[hsl(231,23%,31%)] — CSS variable: --color-primary: hsl(231, 23%, 31%);