HSL(237, 80%, 66%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,80%,66%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 80%, 66%) color: hsl(237, 80%, 66%)
HEX #636AEE color: #636AEE
RGB rgb(99, 106, 238) color: rgb(99, 106, 238)
CMYK cmyk(58%, 55%, 0%, 7%)
HSV hsv(237, 58%, 93%)
HWB hwb(237 39% 7%) color: hwb(237 39% 7%)
OKLCH oklch(0.5902 0.1952 276.34) color: oklch(0.5902 0.1952 276.34)
Lab lab(50.84 35.33 -67.61) color: lab(50.84 35.33 -67.61)
LCH lch(50.84 76.28 297.59) color: lch(50.84 76.28 297.59)

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 4.35:1
vs Black 4.83:1

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)

#6666CE — rgb(102, 102, 206)

Deuteranopia (Green-blind)

#6665C6 — rgb(102, 101, 198)

Tritanopia (Blue-blind)

#63B5AF — rgb(99, 181, 175)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 80%, 66%);

text

color: hsl(237, 80%, 66%);

border

border: 2px solid hsl(237, 80%, 66%);

gradient light

background: linear-gradient(to right, hsl(237, 80%, 86%), hsl(237, 80%, 66%));

gradient dark

background: linear-gradient(to right, hsl(237, 80%, 66%), hsl(237, 80%, 46%))

hex

background-color: #636AEE;

tailwind

bg-[hsl(237,80%,66%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 80%, 66%, 0.4);

css variable

--color-primary: hsl(237, 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(237, 80%, 66%)?

HEX: #636AEE | RGB: rgb(99, 106, 238) | CMYK: 58%, 55%, 0%, 7% | HSV: 237°, 58%, 93%. Copy any format from the conversion table above.

What colors go well with #636AEE?

The complementary color is HSL(57, 80%, 66%). 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, 80%, 66%) in CSS?

As HSL: color: hsl(237, 80%, 66%); — As HEX: color: #636AEE; — As RGB: color: rgb(99, 106, 238); — Tailwind CSS: bg-[hsl(237,80%,66%)] — CSS variable: --color-primary: hsl(237, 80%, 66%);