HSL(218, 40%, 18%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(218,40%,18%)]

Color Conversions

Format Value CSS Usage
HSL hsl(218, 40%, 18%) color: hsl(218, 40%, 18%)
HEX #1C2940 color: #1C2940
RGB rgb(28, 41, 64) color: rgb(28, 41, 64)
CMYK cmyk(56%, 36%, 0%, 75%) —
HSV hsv(218, 56%, 25%) —
HWB hwb(218 11% 75%) color: hwb(218 11% 75%)
OKLCH oklch(0.281 0.0463 261.33) color: oklch(0.281 0.0463 261.33)
Lab lab(16.52 2.27 -16.31) color: lab(16.52 2.27 -16.31)
LCH lch(16.52 16.47 277.92) color: lch(16.52 16.47 277.92)

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 14.58:1
vs Black 1.44:1

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)

#22223A — rgb(34, 34, 58)

Deuteranopia (Green-blind)

#212039 — rgb(33, 32, 57)

Tritanopia (Blue-blind)

#1D3635 — rgb(29, 54, 53)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(218, 40%, 18%);

text

color: hsl(218, 40%, 18%);

border

border: 2px solid hsl(218, 40%, 18%);

gradient light

background: linear-gradient(to right, hsl(218, 40%, 38%), hsl(218, 40%, 18%));

gradient dark

background: linear-gradient(to right, hsl(218, 40%, 18%), hsl(218, 40%, 0%))

hex

background-color: #1C2940;

tailwind

bg-[hsl(218,40%,18%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(218, 40%, 18%, 0.4);

css variable

--color-primary: hsl(218, 40%, 18%);

Related Colors

#252B37

218,20,18

#122749

218,60,18

#000000

218,40,0

#3A5788

218,40,38

#1C3240

203,40,18

#1C2F40

208,40,18

#1C2340

228,40,18

#1C2040

233,40,18

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(218, 40%, 18%)?

HEX: #1C2940 | RGB: rgb(28, 41, 64) | CMYK: 56%, 36%, 0%, 75% | HSV: 218°, 56%, 25%. Copy any format from the conversion table above.

What colors go well with #1C2940?

The complementary color is HSL(38, 40%, 18%). For a triadic harmony, use hues 218°, 338°, and 98°. For analogous combinations, try hues 188° and 248°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(218, 40%, 18%) in CSS?

As HSL: color: hsl(218, 40%, 18%); — As HEX: color: #1C2940; — As RGB: color: rgb(28, 41, 64); — Tailwind CSS: bg-[hsl(218,40%,18%)] — CSS variable: --color-primary: hsl(218, 40%, 18%);