HSL(231, 99%, 42%)

Vivid Blue — Blue color

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Color Information

Color Name

Vivid Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,99%,42%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 99%, 42%) color: hsl(231, 99%, 42%)
HEX #0121D5 color: #0121D5
RGB rgb(1, 33, 213) color: rgb(1, 33, 213)
CMYK cmyk(100%, 85%, 0%, 16%)
HSV hsv(231, 100%, 84%)
HWB hwb(231 0% 16%) color: hwb(231 0% 16%)
OKLCH oklch(0.415 0.2596 264.29) color: oklch(0.415 0.2596 264.29)
Lab lab(29.15 60.08 -89.18) color: lab(29.15 60.08 -89.18)
LCH lch(29.15 107.53 303.97) color: lch(29.15 107.53 303.97)

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 9.63:1
vs Black 2.18:1

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)

#0F0FA9 — rgb(15, 15, 169)

Deuteranopia (Green-blind)

#0D0B9F — rgb(13, 11, 159)

Tritanopia (Blue-blind)

#038780 — rgb(3, 135, 128)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 99%, 42%);

text

color: hsl(231, 99%, 42%);

border

border: 2px solid hsl(231, 99%, 42%);

gradient light

background: linear-gradient(to right, hsl(231, 99%, 62%), hsl(231, 99%, 42%));

gradient dark

background: linear-gradient(to right, hsl(231, 99%, 42%), hsl(231, 99%, 22%))

hex

background-color: #0121D5;

tailwind

bg-[hsl(231,99%,42%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 99%, 42%, 0.4);

css variable

--color-primary: hsl(231, 99%, 42%);

Related Colors

Use Cases for Vivid Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(231, 99%, 42%)?

HEX: #0121D5 | RGB: rgb(1, 33, 213) | CMYK: 100%, 85%, 0%, 16% | HSV: 231°, 100%, 84%. Copy any format from the conversion table above.

What colors go well with #0121D5?

The complementary color is HSL(51, 99%, 42%). 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, 99%, 42%) in CSS?

As HSL: color: hsl(231, 99%, 42%); — As HEX: color: #0121D5; — As RGB: color: rgb(1, 33, 213); — Tailwind CSS: bg-[hsl(231,99%,42%)] — CSS variable: --color-primary: hsl(231, 99%, 42%);