HSL(209, 40%, 40%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

7000K

CSS Class

bg-[hsl(209,40%,40%)]

Color Conversions

Format Value CSS Usage
HSL hsl(209, 40%, 40%) color: hsl(209, 40%, 40%)
HEX #3D678F color: #3D678F
RGB rgb(61, 103, 143) color: rgb(61, 103, 143)
CMYK cmyk(57%, 28%, 0%, 44%) —
HSV hsv(209, 57%, 56%) —
HWB hwb(209 24% 44%) color: hwb(209 24% 44%)
OKLCH oklch(0.501 0.0797 248.57) color: oklch(0.501 0.0797 248.57)
Lab lab(42.27 -2.22 -26.43) color: lab(42.27 -2.22 -26.43)
LCH lch(42.27 26.52 265.2) color: lch(42.27 26.52 265.2)

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 5.94:1
vs Black 3.54:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#4F5085 — rgb(79, 80, 133)

Deuteranopia (Green-blind)

#4D4A83 — rgb(77, 74, 131)

Tritanopia (Blue-blind)

#3F7E7C — rgb(63, 126, 124)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(209, 40%, 40%);

text

color: hsl(209, 40%, 40%);

border

border: 2px solid hsl(209, 40%, 40%);

gradient light

background: linear-gradient(to right, hsl(209, 40%, 60%), hsl(209, 40%, 40%));

gradient dark

background: linear-gradient(to right, hsl(209, 40%, 40%), hsl(209, 40%, 20%))

hex

background-color: #3D678F;

tailwind

bg-[hsl(209,40%,40%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(209, 40%, 40%, 0.4);

css variable

--color-primary: hsl(209, 40%, 40%);

Related Colors

#52677A

209,20,40

#2968A3

209,60,40

#1F3447

209,40,20

#709AC2

209,40,60

#3D7C8F

194,40,40

#3D758F

199,40,40

#3D5A8F

219,40,40

#3D538F

224,40,40

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(209, 40%, 40%)?

HEX: #3D678F | RGB: rgb(61, 103, 143) | CMYK: 57%, 28%, 0%, 44% | HSV: 209°, 57%, 56%. Copy any format from the conversion table above.

What colors go well with #3D678F?

The complementary color is HSL(29, 40%, 40%). For a triadic harmony, use hues 209°, 329°, and 89°. For analogous combinations, try hues 179° and 239°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(209, 40%, 40%) in CSS?

As HSL: color: hsl(209, 40%, 40%); — As HEX: color: #3D678F; — As RGB: color: rgb(61, 103, 143); — Tailwind CSS: bg-[hsl(209,40%,40%)] — CSS variable: --color-primary: hsl(209, 40%, 40%);