#310fa4

Color #310fa4

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 8.96 Nearest Tailwind class violet-900 #4d179a · ΔE 4.1

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

Conversions

HEX

#310fa4

RGB

rgb(49, 15, 164)

HSL

hsl(253.7, 83.2%, 35.1%)

HSV / HSB

hsv(253.7, 90.9%, 64.3%)

CMYK

cmyk(70.1%, 90.9%, 0%, 35.7%)

LAB

lab(22.56, 54.14, -71.03)

LCH

lch(22.56, 89.31, 307.32)

OKLCH

oklch(35.8%, 0.2071, 278.19)

HWB

hwb(253.7, 5.9%, 35.7%)

Harmony colors

Complementary

#82a40f

Analogous

#0f37a4

#310fa4

#7c0fa4

Triadic

#310fa4

#a4310f

#0fa431

Split-complementary

#310fa4

#a47c0f

#37a40f

Tetradic

#310fa4

#a40f82

#82a40f

#0fa431

Square

#310fa4

#a40f37

#82a40f

#0fa47c

Shades

Color #310fa4 mixed toward black.

#290d89

#210a6d

#190852

#100537

#08031b

Tints

Color #310fa4 mixed toward white.

#4014d7

#5f35ec

#8767f1

#af9af6

#d7ccfa

Tones

Color #310fa4 mixed toward gray.

#381b98

#3f288b

#45347f

#4c4172

#534d66

Accessibility

Aa White text on this color

12.1:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262691 · ΔE 5.3

Deuteranopia

#282a8c · ΔE 6.7

Tritanopia

#307f7b · ΔE 40.9

Achromatopsia

#363636 · ΔE 29.7

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

Code

CSS

background-color: #310fa4;

Tailwind (arbitrary value)

bg-[#310fa4]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#310fa4 (#310fa4) is rgb(49, 15, 164) in RGB.

No, #310fa4 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.

Try it →

Build something with this color

Generate a full palette from #310fa4, or check how it holds up for accessibility.

Generate a palette → Check contrast