#312859

Color #312859

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.58 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#312859

RGB

rgb(49, 40, 89)

HSL

hsl(251, 38%, 25.3%)

HSV / HSB

hsv(251, 55.1%, 34.9%)

CMYK

cmyk(44.9%, 55.1%, 0%, 65.1%)

LAB

lab(19.6, 17.92, -28.26)

LCH

lch(19.6, 33.46, 302.38)

OKLCH

oklch(31.4%, 0.0848, 288.99)

HWB

hwb(251, 15.7%, 65.1%)

Harmony colors

Complementary

#505928

Analogous

#283859

#312859

#4a2859

Triadic

#312859

#593128

#285931

Split-complementary

#312859

#594a28

#385928

Tetradic

#312859

#592850

#505928

#285931

Square

#312859

#592838

#505928

#28594a

Shades

Color #312859 mixed toward black.

#29214a

#211b3b

#18142d

#100d1e

#08070f

Tints

Color #312859 mixed toward white.

#493c85

#6150b0

#897cc4

#b0a7d8

#d8d3eb

Tones

Color #312859 mixed toward gray.

#342c55

#363051

#39344d

#3b3849

#3e3c45

Accessibility

Aa White text on this color

13.3:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d50 · ΔE 4.5

Deuteranopia

#2e2e4e · ΔE 5.4

Tritanopia

#314947 · ΔE 25.2

Achromatopsia

#2f2f2f · ΔE 20.4

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

Code

CSS

background-color: #312859;

Tailwind (arbitrary value)

bg-[#312859]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#312859 (#312859) is rgb(49, 40, 89) in RGB.

No, #312859 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 #312859, or check how it holds up for accessibility.

Generate a palette → Check contrast