HSL(229, 100%, 37%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(229,100%,37%)]

Color Conversions

Format Value CSS Usage
HSL hsl(229, 100%, 37%) color: hsl(229, 100%, 37%)
HEX #0023BD color: #0023BD
RGB rgb(0, 35, 189) color: rgb(0, 35, 189)
CMYK cmyk(100%, 81%, 0%, 26%)
HSV hsv(229, 100%, 74%)
HWB hwb(229 0% 26%) color: hwb(229 0% 26%)
OKLCH oklch(0.387 0.2324 264.12) color: oklch(0.387 0.2324 264.12)
Lab lab(26.38 51.67 -79.74) color: lab(26.38 51.67 -79.74)
LCH lch(26.38 95.02 302.94) color: lch(26.38 95.02 302.94)

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 10.63:1
vs Black 1.98:1

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)

#0F0F98 — rgb(15, 15, 152)

Deuteranopia (Green-blind)

#0D0B8F — rgb(13, 11, 143)

Tritanopia (Blue-blind)

#027A74 — rgb(2, 122, 116)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(229, 100%, 37%);

text

color: hsl(229, 100%, 37%);

border

border: 2px solid hsl(229, 100%, 37%);

gradient light

background: linear-gradient(to right, hsl(229, 100%, 57%), hsl(229, 100%, 37%));

gradient dark

background: linear-gradient(to right, hsl(229, 100%, 37%), hsl(229, 100%, 17%))

hex

background-color: #0023BD;

tailwind

bg-[hsl(229,100%,37%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(229, 100%, 37%, 0.4);

css variable

--color-primary: hsl(229, 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(229, 100%, 37%)?

HEX: #0023BD | RGB: rgb(0, 35, 189) | CMYK: 100%, 81%, 0%, 26% | HSV: 229°, 100%, 74%. Copy any format from the conversion table above.

What colors go well with #0023BD?

The complementary color is HSL(49, 100%, 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, 100%, 37%) in CSS?

As HSL: color: hsl(229, 100%, 37%); — As HEX: color: #0023BD; — As RGB: color: rgb(0, 35, 189); — Tailwind CSS: bg-[hsl(229,100%,37%)] — CSS variable: --color-primary: hsl(229, 100%, 37%);