HSL(200, 37%, 18%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

7000K

CSS Class

bg-[hsl(200,37%,18%)]

Color Conversions

Format Value CSS Usage
HSL hsl(200, 37%, 18%) color: hsl(200, 37%, 18%)
HEX #1D343F color: #1D343F
RGB rgb(29, 52, 63) color: rgb(29, 52, 63)
CMYK cmyk(54%, 17%, 0%, 75%)
HSV hsv(199, 54%, 25%)
HWB hwb(199 12% 75%) color: hwb(199 12% 75%)
OKLCH oklch(0.3111 0.035 230.03) color: oklch(0.3111 0.035 230.03)
Lab lab(20.35 -5.4 -9.7) color: lab(20.35 -5.4 -9.7)
LCH lch(20.35 11.1 240.9) color: lch(20.35 11.1 240.9)

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 13:1
vs Black 1.62:1

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)

#27273C — rgb(39, 39, 60)

Deuteranopia (Green-blind)

#26243C — rgb(38, 36, 60)

Tritanopia (Blue-blind)

#1E3A3A — rgb(30, 58, 58)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(200, 37%, 18%);

text

color: hsl(200, 37%, 18%);

border

border: 2px solid hsl(200, 37%, 18%);

gradient light

background: linear-gradient(to right, hsl(200, 37%, 38%), hsl(200, 37%, 18%));

gradient dark

background: linear-gradient(to right, hsl(200, 37%, 18%), hsl(200, 37%, 0%))

hex

background-color: #1D343F;

tailwind

bg-[hsl(200,37%,18%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(200, 37%, 18%, 0.4);

css variable

--color-primary: hsl(200, 37%, 18%);

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(200, 37%, 18%)?

HEX: #1D343F | RGB: rgb(29, 52, 63) | CMYK: 54%, 17%, 0%, 75% | HSV: 199°, 54%, 25%. Copy any format from the conversion table above.

What colors go well with #1D343F?

The complementary color is HSL(20, 37%, 18%). For a triadic harmony, use hues 200°, 320°, and 80°. For analogous combinations, try hues 170° and 230°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(200, 37%, 18%) in CSS?

As HSL: color: hsl(200, 37%, 18%); — As HEX: color: #1D343F; — As RGB: color: rgb(29, 52, 63); — Tailwind CSS: bg-[hsl(200,37%,18%)] — CSS variable: --color-primary: hsl(200, 37%, 18%);