HSL(1, 99%, 35%)

Red — Red color

Adjust Color

Color Information

Color Name

Red

Color Family

Red

Warm / Cool

🔴 Warm

Temperature

2000K

CSS Class

bg-[hsl(1,99%,35%)]

Color Conversions

Format Value CSS Usage
HSL hsl(1, 99%, 35%) color: hsl(1, 99%, 35%)
HEX #B20401 color: #B20401
RGB rgb(178, 4, 1) color: rgb(178, 4, 1)
CMYK cmyk(0%, 98%, 99%, 30%)
HSV hsv(1, 99%, 70%)
HWB hwb(1 1% 30%) color: hwb(1 1% 30%)
OKLCH oklch(0.4807 0.1956 29.38) color: oklch(0.4807 0.1956 29.38)
Lab lab(37.04 60.7 50.92) color: lab(37.04 60.7 50.92)
LCH lch(37.04 79.23 39.99) color: lch(37.04 79.23 39.99)

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 7.21:1
vs Black 2.91:1

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)

#676502 — rgb(103, 101, 2)

Deuteranopia (Green-blind)

#717E02 — rgb(113, 126, 2)

Tritanopia (Blue-blind)

#A90202 — rgb(169, 2, 2)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(1, 99%, 35%);

text

color: hsl(1, 99%, 35%);

border

border: 2px solid hsl(1, 99%, 35%);

gradient light

background: linear-gradient(to right, hsl(1, 99%, 55%), hsl(1, 99%, 35%));

gradient dark

background: linear-gradient(to right, hsl(1, 99%, 35%), hsl(1, 99%, 15%))

hex

background-color: #B20401;

tailwind

bg-[hsl(1,99%,35%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(1, 99%, 35%, 0.4);

css variable

--color-primary: hsl(1, 99%, 35%);

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(1, 99%, 35%)?

HEX: #B20401 | RGB: rgb(178, 4, 1) | CMYK: 0%, 98%, 99%, 30% | HSV: 1°, 99%, 70%. Copy any format from the conversion table above.

What colors go well with #B20401?

The complementary color is HSL(181, 99%, 35%). For a triadic harmony, use hues 1°, 121°, and 241°. For analogous combinations, try hues 331° and 31°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(1, 99%, 35%) in CSS?

As HSL: color: hsl(1, 99%, 35%); — As HEX: color: #B20401; — As RGB: color: rgb(178, 4, 1); — Tailwind CSS: bg-[hsl(1,99%,35%)] — CSS variable: --color-primary: hsl(1, 99%, 35%);