HSL(345, 100%, 21%)

Red — Red color

Adjust Color

Color Information

Color Name

Red

Color Family

Red

Warm / Cool

🔴 Warm

Temperature

2000K

CSS Class

bg-[hsl(345,100%,21%)]

Color Conversions

Format Value CSS Usage
HSL hsl(345, 100%, 21%) color: hsl(345, 100%, 21%)
HEX #6B001B color: #6B001B
RGB rgb(107, 0, 27) color: rgb(107, 0, 27)
CMYK cmyk(0%, 100%, 75%, 58%)
HSV hsv(345, 100%, 42%)
HWB hwb(345 0% 58%) color: hwb(345 0% 58%)
OKLCH oklch(0.3346 0.134 17.58) color: oklch(0.3346 0.134 17.58)
Lab lab(20.85 43.1 17.52) color: lab(20.85 43.1 17.52)
LCH lch(20.85 46.52 22.12) color: lch(20.85 46.52 22.12)

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 12.8:1
vs Black 1.64:1

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)

#3D3C14 — rgb(61, 60, 20)

Deuteranopia (Green-blind)

#434B13 — rgb(67, 75, 19)

Tritanopia (Blue-blind)

#660F0E — rgb(102, 15, 14)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(345, 100%, 21%);

text

color: hsl(345, 100%, 21%);

border

border: 2px solid hsl(345, 100%, 21%);

gradient light

background: linear-gradient(to right, hsl(345, 100%, 41%), hsl(345, 100%, 21%));

gradient dark

background: linear-gradient(to right, hsl(345, 100%, 21%), hsl(345, 100%, 1%))

hex

background-color: #6B001B;

tailwind

bg-[hsl(345,100%,21%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(345, 100%, 21%, 0.4);

css variable

--color-primary: hsl(345, 100%, 21%);

Related Colors

Use Cases for Red

Alerts & errors Call-to-action buttons Brand logos Sale badges Warning messages

Frequently Asked Questions

What are all the color codes for HSL(345, 100%, 21%)?

HEX: #6B001B | RGB: rgb(107, 0, 27) | CMYK: 0%, 100%, 75%, 58% | HSV: 345°, 100%, 42%. Copy any format from the conversion table above.

What colors go well with #6B001B?

The complementary color is HSL(165, 100%, 21%). For a triadic harmony, use hues 345°, 105°, and 225°. For analogous combinations, try hues 315° and 15°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(345, 100%, 21%) in CSS?

As HSL: color: hsl(345, 100%, 21%); — As HEX: color: #6B001B; — As RGB: color: rgb(107, 0, 27); — Tailwind CSS: bg-[hsl(345,100%,21%)] — CSS variable: --color-primary: hsl(345, 100%, 21%);