#311a86

Color #311a86

A moderately saturated dark blue.

Closest named color Indigo #4b0082 · ΔE 10.9 Nearest Tailwind class indigo-900 #312c85 · ΔE 4.7

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Conversions

HEX

#311a86

RGB

rgb(49, 26, 134)

HSL

hsl(252.8, 67.5%, 31.4%)

HSV / HSB

hsv(252.8, 80.6%, 52.5%)

CMYK

cmyk(63.4%, 80.6%, 0%, 47.5%)

LAB

lab(20.49, 41.11, -55.92)

LCH

lch(20.49, 69.41, 306.32)

OKLCH

oklch(33.3%, 0.1652, 282.45)

HWB

hwb(252.8, 10.2%, 47.5%)

Harmony colors

Complementary

#6f861a

Analogous

#1a3986

#311a86

#671a86

Triadic

#311a86

#86311a

#1a8631

Split-complementary

#311a86

#86671a

#39861a

Tetradic

#311a86

#861a6f

#6f861a

#1a8631

Square

#311a86

#861a39

#6f861a

#1a8667

Shades

Color #311a86 mixed toward black.

#291670

#211159

#190d43

#10092d

#080416

Tints

Color #311a86 mixed toward white.

#4323b7

#5d3cd9

#866ce3

#ae9dec

#d7cef6

Tones

Color #311a86 mixed toward gray.

#36237d

#3b2c74

#41356b

#463e62

#4b4759

Accessibility

Aa White text on this color

12.94:1

Aa Black text on this color

1.62:1

White text reads better on this background (12.94:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292977 · ΔE 5.5

Deuteranopia

#2a2b73 · ΔE 6.5

Tritanopia

#306865 · ΔE 34.4

Achromatopsia

#313131 · ΔE 27.2

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

Code

CSS

background-color: #311a86;

Tailwind (arbitrary value)

bg-[#311a86]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#311a86 (#311a86) is rgb(49, 26, 134) in RGB.

No, #311a86 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.

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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 #311a86, or check how it holds up for accessibility.

Generate a palette → Check contrast