HSL(229, 65%, 37%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(229,65%,37%)]

Color Conversions

Format Value CSS Usage
HSL hsl(229, 65%, 37%) color: hsl(229, 65%, 37%)
HEX #21389C color: #21389C
RGB rgb(33, 56, 156) color: rgb(33, 56, 156)
CMYK cmyk(79%, 64%, 0%, 39%)
HSV hsv(229, 79%, 61%)
HWB hwb(229 13% 39%) color: hwb(229 13% 39%)
OKLCH oklch(0.3926 0.1645 267.73) color: oklch(0.3926 0.1645 267.73)
Lab lab(28.25 28.75 -56.81) color: lab(28.25 28.75 -56.81)
LCH lch(28.25 63.67 296.84) color: lch(28.25 63.67 296.84)

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 9.95:1
vs Black 2.11:1

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)

#2B2B84 — rgb(43, 43, 132)

Deuteranopia (Green-blind)

#2A287E — rgb(42, 40, 126)

Tritanopia (Blue-blind)

#22716D — rgb(34, 113, 109)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(229, 65%, 37%);

text

color: hsl(229, 65%, 37%);

border

border: 2px solid hsl(229, 65%, 37%);

gradient light

background: linear-gradient(to right, hsl(229, 65%, 57%), hsl(229, 65%, 37%));

gradient dark

background: linear-gradient(to right, hsl(229, 65%, 37%), hsl(229, 65%, 17%))

hex

background-color: #21389C;

tailwind

bg-[hsl(229,65%,37%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(229, 65%, 37%, 0.4);

css variable

--color-primary: hsl(229, 65%, 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(229, 65%, 37%)?

HEX: #21389C | RGB: rgb(33, 56, 156) | CMYK: 79%, 64%, 0%, 39% | HSV: 229°, 79%, 61%. Copy any format from the conversion table above.

What colors go well with #21389C?

The complementary color is HSL(49, 65%, 37%). For a triadic harmony, use hues 229°, 349°, and 109°. For analogous combinations, try hues 199° and 259°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(229, 65%, 37%) in CSS?

As HSL: color: hsl(229, 65%, 37%); — As HEX: color: #21389C; — As RGB: color: rgb(33, 56, 156); — Tailwind CSS: bg-[hsl(229,65%,37%)] — CSS variable: --color-primary: hsl(229, 65%, 37%);