HSL(231, 30%, 31%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,30%,31%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 30%, 31%) color: hsl(231, 30%, 31%)
HEX #373E67 color: #373E67
RGB rgb(55, 62, 103) color: rgb(55, 62, 103)
CMYK cmyk(47%, 40%, 0%, 60%)
HSV hsv(231, 47%, 40%)
HWB hwb(231 21% 60%) color: hwb(231 21% 60%)
OKLCH oklch(0.3775 0.0707 275.15) color: oklch(0.3775 0.0707 275.15)
Lab lab(27.4 9.17 -25) color: lab(27.4 9.17 -25)
LCH lch(27.4 26.63 290.14) color: lch(27.4 26.63 290.14)

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 10.26:1
vs Black 2.05:1

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)

#3A3A5D — rgb(58, 58, 93)

Deuteranopia (Green-blind)

#3A395B — rgb(58, 57, 91)

Tritanopia (Blue-blind)

#375554 — rgb(55, 85, 84)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 30%, 31%);

text

color: hsl(231, 30%, 31%);

border

border: 2px solid hsl(231, 30%, 31%);

gradient light

background: linear-gradient(to right, hsl(231, 30%, 51%), hsl(231, 30%, 31%));

gradient dark

background: linear-gradient(to right, hsl(231, 30%, 31%), hsl(231, 30%, 11%))

hex

background-color: #373E67;

tailwind

bg-[hsl(231,30%,31%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 30%, 31%, 0.4);

css variable

--color-primary: hsl(231, 30%, 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, 30%, 31%)?

HEX: #373E67 | RGB: rgb(55, 62, 103) | CMYK: 47%, 40%, 0%, 60% | HSV: 231°, 47%, 40%. Copy any format from the conversion table above.

What colors go well with #373E67?

The complementary color is HSL(51, 30%, 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, 30%, 31%) in CSS?

As HSL: color: hsl(231, 30%, 31%); — As HEX: color: #373E67; — As RGB: color: rgb(55, 62, 103); — Tailwind CSS: bg-[hsl(231,30%,31%)] — CSS variable: --color-primary: hsl(231, 30%, 31%);