HSL(206, 100%, 21%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

7000K

CSS Class

bg-[hsl(206,100%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(206, 100%, 21%) color: hsl(206, 100%, 21%)
HEX #003D6B color: #003D6B
RGB rgb(0, 61, 107) color: rgb(0, 61, 107)
CMYK cmyk(100%, 43%, 0%, 58%)
HSV hsv(206, 100%, 42%)
HWB hwb(206 0% 58%) color: hwb(206 0% 58%)
OKLCH oklch(0.3528 0.0971 248.9) color: oklch(0.3528 0.0971 248.9)
Lab lab(24.95 1.96 -31.6) color: lab(24.95 1.96 -31.6)
LCH lch(24.95 31.66 273.55) color: lch(24.95 31.66 273.55)

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 11.17:1
vs Black 1.88:1

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)

#1A1B60 — rgb(26, 27, 96)

Deuteranopia (Green-blind)

#17125D — rgb(23, 18, 93)

Tritanopia (Blue-blind)

#035755 — rgb(3, 87, 85)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(206, 100%, 21%);

text

color: hsl(206, 100%, 21%);

border

border: 2px solid hsl(206, 100%, 21%);

gradient light

background: linear-gradient(to right, hsl(206, 100%, 41%), hsl(206, 100%, 21%));

gradient dark

background: linear-gradient(to right, hsl(206, 100%, 21%), hsl(206, 100%, 1%))

hex

background-color: #003D6B;

tailwind

bg-[hsl(206,100%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(206, 100%, 21%, 0.4);

css variable

--color-primary: hsl(206, 100%, 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(206, 100%, 21%)?

HEX: #003D6B | RGB: rgb(0, 61, 107) | CMYK: 100%, 43%, 0%, 58% | HSV: 206°, 100%, 42%. Copy any format from the conversion table above.

What colors go well with #003D6B?

The complementary color is HSL(26, 100%, 21%). For a triadic harmony, use hues 206°, 326°, and 86°. For analogous combinations, try hues 176° and 236°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(206, 100%, 21%) in CSS?

As HSL: color: hsl(206, 100%, 21%); — As HEX: color: #003D6B; — As RGB: color: rgb(0, 61, 107); — Tailwind CSS: bg-[hsl(206,100%,21%)] — CSS variable: --color-primary: hsl(206, 100%, 21%);