HSL(208, 42%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

7000K

CSS Class

bg-[hsl(208,42%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(208, 42%, 21%) color: hsl(208, 42%, 21%)
HEX #1F374C color: #1F374C
RGB rgb(31, 55, 76) color: rgb(31, 55, 76)
CMYK cmyk(59%, 28%, 0%, 70%)
HSV hsv(208, 59%, 30%)
HWB hwb(208 12% 70%) color: hwb(208 12% 70%)
OKLCH oklch(0.3274 0.0481 246.33) color: oklch(0.3274 0.0481 246.33)
Lab lab(22.11 -2.21 -15.73) color: lab(22.11 -2.21 -15.73)
LCH lch(22.11 15.88 262) color: lch(22.11 15.88 262)

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 12.29:1
vs Black 1.71:1

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)

#292A47 — rgb(41, 42, 71)

Deuteranopia (Green-blind)

#282646 — rgb(40, 38, 70)

Tritanopia (Blue-blind)

#204342 — rgb(32, 67, 66)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(208, 42%, 21%);

text

color: hsl(208, 42%, 21%);

border

border: 2px solid hsl(208, 42%, 21%);

gradient light

background: linear-gradient(to right, hsl(208, 42%, 41%), hsl(208, 42%, 21%));

gradient dark

background: linear-gradient(to right, hsl(208, 42%, 21%), hsl(208, 42%, 1%))

hex

background-color: #1F374C;

tailwind

bg-[hsl(208,42%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(208, 42%, 21%, 0.4);

css variable

--color-primary: hsl(208, 42%, 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(208, 42%, 21%)?

HEX: #1F374C | RGB: rgb(31, 55, 76) | CMYK: 59%, 28%, 0%, 70% | HSV: 208°, 59%, 30%. Copy any format from the conversion table above.

What colors go well with #1F374C?

The complementary color is HSL(28, 42%, 21%). For a triadic harmony, use hues 208°, 328°, and 88°. For analogous combinations, try hues 178° and 238°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(208, 42%, 21%) in CSS?

As HSL: color: hsl(208, 42%, 21%); — As HEX: color: #1F374C; — As RGB: color: rgb(31, 55, 76); — Tailwind CSS: bg-[hsl(208,42%,21%)] — CSS variable: --color-primary: hsl(208, 42%, 21%);