#f51800

Color #f51800

A vivid, highly saturated medium red.

Closest named color Red #ff0000 · ΔE 5.04 Nearest Tailwind class red-600 #e7000b · ΔE 4.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#f51800

RGB

rgb(245, 24, 0)

HSL

hsl(5.9, 100%, 48%)

HSV / HSB

hsv(5.9, 100%, 96.1%)

CMYK

cmyk(0%, 90.2%, 100%, 3.9%)

LAB

lab(51.92, 75.55, 65.46)

LCH

lch(51.92, 99.96, 40.91)

OKLCH

oklch(61.5%, 0.2448, 30.24)

HWB

hwb(5.9, 0%, 3.9%)

Harmony colors

Complementary

#00ddf5

Analogous

#f50062

#f51800

#f59200

Triadic

#f51800

#00f518

#1800f5

Split-complementary

#f51800

#00f592

#0062f5

Tetradic

#f51800

#ddf500

#00ddf5

#1800f5

Square

#f51800

#62f500

#00ddf5

#9200f5

Shades

Color #f51800 mixed toward black.

#cc1400

#a31000

#7a0c00

#520800

#290400

Tints

Color #f51800 mixed toward white.

#ff3822

#ff604e

#ff877a

#ffafa7

#ffd7d3

Tones

Color #f51800 mixed toward gray.

#e02814

#cc3929

#b8493d

#a35a52

#8f6a66

Accessibility

Aa White text on this color

4.19:1

Aa Black text on this color

5.01:1

Black text reads better on this background (5.01:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#bfbe07 · ΔE 54.4

Deuteranopia

#c7d209 · ΔE 59.6

Tritanopia

#f00d0e · ΔE 2.4

Achromatopsia

#7c7c7c · ΔE 30.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #f51800;

Tailwind (arbitrary value)

bg-[#f51800]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#f51800 (#f51800) is rgb(245, 24, 0) in RGB.

No, #f51800 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #f51800, or check how it holds up for accessibility.

Generate a palette → Check contrast