HSL(220, 100%, 37%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(220,100%,37%)]

Color Conversions

Format Value CSS Usage
HSL hsl(220, 100%, 37%) color: hsl(220, 100%, 37%)
HEX #003FBD color: #003FBD
RGB rgb(0, 63, 189) color: rgb(0, 63, 189)
CMYK cmyk(100%, 67%, 0%, 26%)
HSV hsv(220, 100%, 74%)
HWB hwb(220 0% 26%) color: hwb(220 0% 26%)
OKLCH oklch(0.4298 0.2047 262.37) color: oklch(0.4298 0.2047 262.37)
Lab lab(32.32 35.09 -69.9) color: lab(32.32 35.09 -69.9)
LCH lch(32.32 78.21 296.66) color: lch(32.32 78.21 296.66)

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 8.59:1
vs Black 2.45:1

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)

#1B1C9F — rgb(27, 28, 159)

Deuteranopia (Green-blind)

#181397 — rgb(24, 19, 151)

Tritanopia (Blue-blind)

#038681 — rgb(3, 134, 129)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(220, 100%, 37%);

text

color: hsl(220, 100%, 37%);

border

border: 2px solid hsl(220, 100%, 37%);

gradient light

background: linear-gradient(to right, hsl(220, 100%, 57%), hsl(220, 100%, 37%));

gradient dark

background: linear-gradient(to right, hsl(220, 100%, 37%), hsl(220, 100%, 17%))

hex

background-color: #003FBD;

tailwind

bg-[hsl(220,100%,37%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(220, 100%, 37%, 0.4);

css variable

--color-primary: hsl(220, 100%, 37%);

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(220, 100%, 37%)?

HEX: #003FBD | RGB: rgb(0, 63, 189) | CMYK: 100%, 67%, 0%, 26% | HSV: 220°, 100%, 74%. Copy any format from the conversion table above.

What colors go well with #003FBD?

The complementary color is HSL(40, 100%, 37%). For a triadic harmony, use hues 220°, 340°, and 100°. For analogous combinations, try hues 190° and 250°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(220, 100%, 37%) in CSS?

As HSL: color: hsl(220, 100%, 37%); — As HEX: color: #003FBD; — As RGB: color: rgb(0, 63, 189); — Tailwind CSS: bg-[hsl(220,100%,37%)] — CSS variable: --color-primary: hsl(220, 100%, 37%);