HSL(203, 40%, 16%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

7000K

CSS Class

bg-[hsl(203,40%,16%)]

Color Conversions

Format Value CSS Usage
HSL hsl(203, 40%, 16%) color: hsl(203, 40%, 16%)
HEX #182D39 color: #182D39
RGB rgb(24, 45, 57) color: rgb(24, 45, 57)
CMYK cmyk(58%, 21%, 0%, 78%)
HSV hsv(202, 58%, 22%)
HWB hwb(202 9% 78%) color: hwb(202 9% 78%)
OKLCH oklch(0.2853 0.0348 234.88) color: oklch(0.2853 0.0348 234.88)
Lab lab(17.3 -4.29 -10.26) color: lab(17.3 -4.29 -10.26)
LCH lch(17.3 11.12 247.31) color: lch(17.3 11.12 247.31)

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 14.25:1
vs Black 1.47:1

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)

#212136 — rgb(33, 33, 54)

Deuteranopia (Green-blind)

#201E35 — rgb(32, 30, 53)

Tritanopia (Blue-blind)

#193433 — rgb(25, 52, 51)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(203, 40%, 16%);

text

color: hsl(203, 40%, 16%);

border

border: 2px solid hsl(203, 40%, 16%);

gradient light

background: linear-gradient(to right, hsl(203, 40%, 36%), hsl(203, 40%, 16%));

gradient dark

background: linear-gradient(to right, hsl(203, 40%, 16%), hsl(203, 40%, 0%))

hex

background-color: #182D39;

tailwind

bg-[hsl(203,40%,16%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(203, 40%, 16%, 0.4);

css variable

--color-primary: hsl(203, 40%, 16%);

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(203, 40%, 16%)?

HEX: #182D39 | RGB: rgb(24, 45, 57) | CMYK: 58%, 21%, 0%, 78% | HSV: 202°, 58%, 22%. Copy any format from the conversion table above.

What colors go well with #182D39?

The complementary color is HSL(23, 40%, 16%). For a triadic harmony, use hues 203°, 323°, and 83°. For analogous combinations, try hues 173° and 233°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(203, 40%, 16%) in CSS?

As HSL: color: hsl(203, 40%, 16%); — As HEX: color: #182D39; — As RGB: color: rgb(24, 45, 57); — Tailwind CSS: bg-[hsl(203,40%,16%)] — CSS variable: --color-primary: hsl(203, 40%, 16%);