HSL(233, 47%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(233,47%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(233, 47%, 21%) color: hsl(233, 47%, 21%)
HEX #1C224F color: #1C224F
RGB rgb(28, 34, 79) color: rgb(28, 34, 79)
CMYK cmyk(65%, 57%, 0%, 69%)
HSV hsv(233, 65%, 31%)
HWB hwb(233 11% 69%) color: hwb(233 11% 69%)
OKLCH oklch(0.2745 0.0821 273.98) color: oklch(0.2745 0.0821 273.98)
Lab lab(15.25 13.23 -28.62) color: lab(15.25 13.23 -28.62)
LCH lch(15.25 31.53 294.81) color: lch(15.25 31.53 294.81)

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 15.1:1
vs Black 1.39:1

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)

#1F1F44 — rgb(31, 31, 68)

Deuteranopia (Green-blind)

#1E1E42 — rgb(30, 30, 66)

Tritanopia (Blue-blind)

#1C3C3A — rgb(28, 60, 58)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(233, 47%, 21%);

text

color: hsl(233, 47%, 21%);

border

border: 2px solid hsl(233, 47%, 21%);

gradient light

background: linear-gradient(to right, hsl(233, 47%, 41%), hsl(233, 47%, 21%));

gradient dark

background: linear-gradient(to right, hsl(233, 47%, 21%), hsl(233, 47%, 1%))

hex

background-color: #1C224F;

tailwind

bg-[hsl(233,47%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(233, 47%, 21%, 0.4);

css variable

--color-primary: hsl(233, 47%, 21%);

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(233, 47%, 21%)?

HEX: #1C224F | RGB: rgb(28, 34, 79) | CMYK: 65%, 57%, 0%, 69% | HSV: 233°, 65%, 31%. Copy any format from the conversion table above.

What colors go well with #1C224F?

The complementary color is HSL(53, 47%, 21%). For a triadic harmony, use hues 233°, 353°, and 113°. For analogous combinations, try hues 203° and 263°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(233, 47%, 21%) in CSS?

As HSL: color: hsl(233, 47%, 21%); — As HEX: color: #1C224F; — As RGB: color: rgb(28, 34, 79); — Tailwind CSS: bg-[hsl(233,47%,21%)] — CSS variable: --color-primary: hsl(233, 47%, 21%);