#ff511a

Color #ff511a

A vivid, highly saturated medium red.

Closest named color Orange Red #ff4500 · ΔE 6.76 Nearest Tailwind class orange-600 #f54900 · ΔE 3.1

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Conversions

HEX

#ff511a

RGB

rgb(255, 81, 26)

HSL

hsl(14.4, 100%, 55.1%)

HSV / HSB

hsv(14.4, 89.8%, 100%)

CMYK

cmyk(0%, 68.2%, 89.8%, 0%)

LAB

lab(59.18, 63.82, 63.72)

LCH

lch(59.18, 90.18, 44.96)

OKLCH

oklch(67.2%, 0.2185, 36.05)

HWB

hwb(14.4, 10.2%, 0%)

Harmony colors

Complementary

#1ac8ff

Analogous

#ff1a56

#ff511a

#ffc31a

Triadic

#ff511a

#1aff51

#511aff

Split-complementary

#ff511a

#1affc3

#1a56ff

Tetradic

#ff511a

#c8ff1a

#1ac8ff

#511aff

Square

#ff511a

#56ff1a

#1ac8ff

#c31aff

Shades

Color #ff511a mixed toward black.

#ea3800

#bb2d00

#8d2200

#5e1600

#2f0b00

Tints

Color #ff511a mixed toward white.

#ff6e40

#ff8b66

#ffa88d

#ffc5b3

#ffe2d9

Tones

Color #ff511a mixed toward gray.

#ec5b2d

#d96540

#c66f53

#b37966

#a08379

Accessibility

Aa White text on this color

3.26:1

Aa Black text on this color

6.44:1

Black text reads better on this background (6.44:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#cccb2e · ΔE 49.1

Deuteranopia

#d4dd32 · ΔE 53.4

Tritanopia

#fa393c · ΔE 10.5

Achromatopsia

#8e8e8e · ΔE 29.8

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

Code

CSS

background-color: #ff511a;

Tailwind (arbitrary value)

bg-[#ff511a]

Related colors

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Light Salmon #ffa07a

Sienna #a0522d

Tomato #ff6347

Frequently asked questions

#ff511a (#ff511a) is rgb(255, 81, 26) in RGB.

No, #ff511a 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.

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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 #ff511a, or check how it holds up for accessibility.

Generate a palette → Check contrast