HSL(231, 80%, 66%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,80%,66%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 80%, 66%) color: hsl(231, 80%, 66%)
HEX #6378EE color: #6378EE
RGB rgb(99, 120, 238) color: rgb(99, 120, 238)
CMYK cmyk(58%, 50%, 0%, 7%)
HSV hsv(231, 58%, 93%)
HWB hwb(231 39% 7%) color: hwb(231 39% 7%)
OKLCH oklch(0.6162 0.1776 272.55) color: oklch(0.6162 0.1776 272.55)
Lab lab(54.3 26.85 -62.03) color: lab(54.3 26.85 -62.03)
LCH lch(54.3 67.59 293.41) color: lch(54.3 67.59 293.41)

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 3.85:1
vs Black 5.45:1

AA Normal (4.5:1)

on White: FAIL ✗ on Black: PASS ✓

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: black

Color Blindness Simulation

Protanopia (Red-blind)

#6C6CD1 — rgb(108, 108, 209)

Deuteranopia (Green-blind)

#6B69CB — rgb(107, 105, 203)

Tritanopia (Blue-blind)

#64BBB6 — rgb(100, 187, 182)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 80%, 66%);

text

color: hsl(231, 80%, 66%);

border

border: 2px solid hsl(231, 80%, 66%);

gradient light

background: linear-gradient(to right, hsl(231, 80%, 86%), hsl(231, 80%, 66%));

gradient dark

background: linear-gradient(to right, hsl(231, 80%, 66%), hsl(231, 80%, 46%))

hex

background-color: #6378EE;

tailwind

bg-[hsl(231,80%,66%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 80%, 66%, 0.4);

css variable

--color-primary: hsl(231, 80%, 66%);

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, 80%, 66%)?

HEX: #6378EE | RGB: rgb(99, 120, 238) | CMYK: 58%, 50%, 0%, 7% | HSV: 231°, 58%, 93%. Copy any format from the conversion table above.

What colors go well with #6378EE?

The complementary color is HSL(51, 80%, 66%). 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, 80%, 66%) in CSS?

As HSL: color: hsl(231, 80%, 66%); — As HEX: color: #6378EE; — As RGB: color: rgb(99, 120, 238); — Tailwind CSS: bg-[hsl(231,80%,66%)] — CSS variable: --color-primary: hsl(231, 80%, 66%);