HSL(237, 90%, 68%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,90%,68%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 90%, 68%) color: hsl(237, 90%, 68%)
HEX #646BF7 color: #646BF7
RGB rgb(100, 107, 247) color: rgb(100, 107, 247)
CMYK cmyk(60%, 57%, 0%, 3%)
HSV hsv(237, 60%, 97%)
HWB hwb(237 39% 3%) color: hwb(237 39% 3%)
OKLCH oklch(0.5993 0.2055 276.1) color: oklch(0.5993 0.2055 276.1)
Lab lab(51.77 37.78 -71.13) color: lab(51.77 37.78 -71.13)
LCH lch(51.77 80.54 297.97) color: lch(51.77 80.54 297.97)

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 4.21:1
vs Black 4.99:1

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)

#6767D5 — rgb(103, 103, 213)

Deuteranopia (Green-blind)

#6766CD — rgb(103, 102, 205)

Tritanopia (Blue-blind)

#64BAB5 — rgb(100, 186, 181)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 90%, 68%);

text

color: hsl(237, 90%, 68%);

border

border: 2px solid hsl(237, 90%, 68%);

gradient light

background: linear-gradient(to right, hsl(237, 90%, 88%), hsl(237, 90%, 68%));

gradient dark

background: linear-gradient(to right, hsl(237, 90%, 68%), hsl(237, 90%, 48%))

hex

background-color: #646BF7;

tailwind

bg-[hsl(237,90%,68%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 90%, 68%, 0.4);

css variable

--color-primary: hsl(237, 90%, 68%);

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(237, 90%, 68%)?

HEX: #646BF7 | RGB: rgb(100, 107, 247) | CMYK: 60%, 57%, 0%, 3% | HSV: 237°, 60%, 97%. Copy any format from the conversion table above.

What colors go well with #646BF7?

The complementary color is HSL(57, 90%, 68%). 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, 90%, 68%) in CSS?

As HSL: color: hsl(237, 90%, 68%); — As HEX: color: #646BF7; — As RGB: color: rgb(100, 107, 247); — Tailwind CSS: bg-[hsl(237,90%,68%)] — CSS variable: --color-primary: hsl(237, 90%, 68%);