#ef1500

Color #ef1500

A vivid, highly saturated medium red.

Closest named color Red #ff0000 · ΔE 6.95 Nearest Tailwind class red-600 #e7000b · ΔE 3

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Conversions

HEX

#ef1500

RGB

rgb(239, 21, 0)

HSL

hsl(5.3, 100%, 46.9%)

HSV / HSB

hsv(5.3, 100%, 93.7%)

CMYK

cmyk(0%, 91.2%, 100%, 6.3%)

LAB

lab(50.56, 74.42, 64.21)

LCH

lch(50.56, 98.29, 40.79)

OKLCH

oklch(60.3%, 0.2409, 30.1)

HWB

hwb(5.3, 0%, 6.3%)

Harmony colors

Complementary

#00daef

Analogous

#ef0062

#ef1500

#ef8d00

Triadic

#ef1500

#00ef15

#1500ef

Split-complementary

#ef1500

#00ef8d

#0062ef

Tetradic

#ef1500

#daef00

#00daef

#1500ef

Square

#ef1500

#62ef00

#00daef

#8d00ef

Shades

Color #ef1500 mixed toward black.

#c71200

#9f0e00

#780b00

#500700

#280400

Tints

Color #ef1500 mixed toward white.

#ff311d

#ff5a4a

#ff8478

#ffada5

#ffd6d2

Tones

Color #ef1500 mixed toward gray.

#db2614

#c73628

#b3463c

#9f5750

#8c6764

Accessibility

Aa White text on this color

4.4:1

Aa Black text on this color

4.78:1

Black text reads better on this background (4.78:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#bab906 · ΔE 54

Deuteranopia

#c2cc07 · ΔE 59

Tritanopia

#ea0b0c · ΔE 2.2

Achromatopsia

#787878 · ΔE 30.6

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

Code

CSS

background-color: #ef1500;

Tailwind (arbitrary value)

bg-[#ef1500]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#ef1500 (#ef1500) is rgb(239, 21, 0) in RGB.

No, #ef1500 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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.

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Build something with this color

Generate a full palette from #ef1500, or check how it holds up for accessibility.

Generate a palette → Check contrast