#511aff

Color #511aff

A vivid, highly saturated medium blue.

Closest named color Blue #0000ff · ΔE 10.24 Nearest Tailwind class indigo-600 #4f39f6 · ΔE 4

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Conversions

HEX

#511aff

RGB

rgb(81, 26, 255)

HSL

hsl(254.4, 100%, 55.1%)

HSV / HSB

hsv(254.4, 89.8%, 100%)

CMYK

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

LAB

lab(37.31, 76.31, -99.41)

LCH

lch(37.31, 125.32, 307.51)

OKLCH

oklch(49.5%, 0.2899, 278.25)

HWB

hwb(254.4, 10.2%, 0%)

Harmony colors

Complementary

#c8ff1a

Analogous

#1a56ff

#511aff

#c31aff

Triadic

#511aff

#ff511a

#1aff51

Split-complementary

#511aff

#ffc31a

#56ff1a

Tetradic

#511aff

#ff1ac8

#c8ff1a

#1aff51

Square

#511aff

#ff1a56

#c8ff1a

#1affc3

Shades

Color #511aff mixed toward black.

#3800ea

#2d00bb

#22008d

#16005e

#0b002f

Tints

Color #511aff mixed toward white.

#6e40ff

#8b66ff

#a88dff

#c5b3ff

#e2d9ff

Tones

Color #511aff mixed toward gray.

#5b2dec

#6540d9

#6f53c6

#7966b3

#8379a0

Accessibility

Aa White text on this color

7.14:1

Aa Black text on this color

2.94:1

White text reads better on this background (7.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#403fe2 · ΔE 6.1

Deuteranopia

#4246da · ΔE 7.9

Tritanopia

#4fc7c0 · ΔE 52.7

Achromatopsia

#585858 · ΔE 32.8

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

Code

CSS

background-color: #511aff;

Tailwind (arbitrary value)

bg-[#511aff]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#511aff (#511aff) is rgb(81, 26, 255) in RGB.

No, #511aff 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 #511aff, or check how it holds up for accessibility.

Generate a palette → Check contrast