HSL(4, 90%, 50%)

Vivid Red — Red color

Adjust Color

Color Information

Color Name

Vivid Red

Color Family

Red

Warm / Cool

🔴 Warm

Temperature

2000K

CSS Class

bg-[hsl(4,90%,50%)]

Color Conversions

Format Value CSS Usage
HSL hsl(4, 90%, 50%) color: hsl(4, 90%, 50%)
HEX #F21C0D color: #F21C0D
RGB rgb(242, 28, 13) color: rgb(242, 28, 13)
CMYK cmyk(0%, 88%, 95%, 5%) —
HSV hsv(4, 95%, 95%) —
HWB hwb(4 5% 5%) color: hwb(4 5% 5%)
OKLCH oklch(0.611 0.2404 29.74) color: oklch(0.611 0.2404 29.74)
Lab lab(51.55 74.3 61.68) color: lab(51.55 74.3 61.68)
LCH lch(51.55 96.57 39.7) color: lch(51.55 96.57 39.7)

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 4.24:1
vs Black 4.95:1

AA Normal (4.5:1)

on White: FAIL ✗ on Black: PASS ✓

AA Large (3:1)

on White: PASS ✓ on Black: PASS ✓

AAA Normal (7:1)

on White: FAIL ✗

Best text on this color: black

Color Blindness Simulation

Protanopia (Red-blind)

#959311 — rgb(149, 147, 17)

Deuteranopia (Green-blind)

#A2B212 — rgb(162, 178, 18)

Tritanopia (Blue-blind)

#E71314 — rgb(231, 19, 20)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(4, 90%, 50%);

text

color: hsl(4, 90%, 50%);

border

border: 2px solid hsl(4, 90%, 50%);

gradient light

background: linear-gradient(to right, hsl(4, 90%, 70%), hsl(4, 90%, 50%));

gradient dark

background: linear-gradient(to right, hsl(4, 90%, 50%), hsl(4, 90%, 30%))

hex

background-color: #F21C0D;

tailwind

bg-[hsl(4,90%,50%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(4, 90%, 50%, 0.4);

css variable

--color-primary: hsl(4, 90%, 50%);

Related Colors

#D93226

4,70,50

#FF1100

4,100,50

#911108

4,90,30

#F7776E

4,90,70

#F20D37

349,90,50

#F20D24

354,90,50

#F2420D

14,90,50

#F2550D

19,90,50

Use Cases for Vivid Red

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

Frequently Asked Questions

What are all the color codes for HSL(4, 90%, 50%)?

HEX: #F21C0D | RGB: rgb(242, 28, 13) | CMYK: 0%, 88%, 95%, 5% | HSV: 4°, 95%, 95%. Copy any format from the conversion table above.

What colors go well with #F21C0D?

The complementary color is HSL(184, 90%, 50%). For a triadic harmony, use hues 4°, 124°, and 244°. For analogous combinations, try hues 334° and 34°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(4, 90%, 50%) in CSS?

As HSL: color: hsl(4, 90%, 50%); — As HEX: color: #F21C0D; — As RGB: color: rgb(242, 28, 13); — Tailwind CSS: bg-[hsl(4,90%,50%)] — CSS variable: --color-primary: hsl(4, 90%, 50%);