#ff421a

Color #ff421a

A vivid, highly saturated medium red.

Closest named color Orange Red #ff4500 · ΔE 6.67 Nearest Tailwind class orange-600 #f54900 · ΔE 4

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Conversions

HEX

#ff421a

RGB

rgb(255, 66, 26)

HSL

hsl(10.5, 100%, 55.1%)

HSV / HSB

hsv(10.5, 89.8%, 100%)

CMYK

cmyk(0%, 74.1%, 89.8%, 0%)

LAB

lab(57.31, 68.99, 62.41)

LCH

lch(57.31, 93.03, 42.13)

OKLCH

oklch(65.8%, 0.2298, 33.05)

HWB

hwb(10.5, 10.2%, 0%)

Harmony colors

Complementary

#1ad7ff

Analogous

#ff1a64

#ff421a

#ffb51a

Triadic

#ff421a

#1aff42

#421aff

Split-complementary

#ff421a

#1affb5

#1a64ff

Tetradic

#ff421a

#d7ff1a

#1ad7ff

#421aff

Square

#ff421a

#64ff1a

#1ad7ff

#b51aff

Shades

Color #ff421a mixed toward black.

#ea2900

#bb2100

#8d1900

#5e1000

#2f0800

Tints

Color #ff421a mixed toward white.

#ff6240

#ff8166

#ffa18d

#ffc0b3

#ffe0d9

Tones

Color #ff421a mixed toward gray.

#ec4e2d

#d95b40

#c66753

#b37466

#a08079

Accessibility

Aa White text on this color

3.47:1

Aa Black text on this color

6.05:1

Black text reads better on this background (6.05:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#cac928 · ΔE 51.8

Deuteranopia

#d2dc2a · ΔE 56.5

Tritanopia

#fa3031 · ΔE 6.8

Achromatopsia

#8a8a8a · ΔE 30.1

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

Code

CSS

background-color: #ff421a;

Tailwind (arbitrary value)

bg-[#ff421a]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Frequently asked questions

#ff421a (#ff421a) is rgb(255, 66, 26) in RGB.

No, #ff421a 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.

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Contrast Checker

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

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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 #ff421a, or check how it holds up for accessibility.

Generate a palette → Check contrast