#2a1799

Color #2a1799

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 7.89 Nearest Tailwind class violet-900 #4d179a · ΔE 4.6

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

Conversions

HEX

#2a1799

RGB

rgb(42, 23, 153)

HSL

hsl(248.8, 73.9%, 34.5%)

HSV / HSB

hsv(248.8, 85%, 60%)

CMYK

cmyk(72.5%, 85%, 0%, 40%)

LAB

lab(21.6, 47.63, -65.92)

LCH

lch(21.6, 81.33, 305.85)

OKLCH

oklch(34.6%, 0.1916, 276.11)

HWB

hwb(248.8, 9%, 40%)

Harmony colors

Complementary

#869917

Analogous

#174599

#2a1799

#6b1799

Triadic

#2a1799

#992a17

#17992a

Split-complementary

#2a1799

#996b17

#459917

Tetradic

#2a1799

#991786

#869917

#17992a

Square

#2a1799

#991745

#869917

#17996b

Shades

Color #2a1799 mixed toward black.

#23137f

#1c0f66

#150b4c

#0e0833

#070419

Tints

Color #2a1799 mixed toward white.

#371ec9

#563de2

#806ee9

#aa9ef0

#d5cff8

Tones

Color #2a1799 mixed toward gray.

#32228e

#392d83

#413778

#49426e

#504d63

Accessibility

Aa White text on this color

12.49:1

Aa Black text on this color

1.68:1

White text reads better on this background (12.49:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232387 · ΔE 4.1

Deuteranopia

#242583 · ΔE 5

Tritanopia

#297773 · ΔE 39.2

Achromatopsia

#343434 · ΔE 28.8

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

Code

CSS

background-color: #2a1799;

Tailwind (arbitrary value)

bg-[#2a1799]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#2a1799 (#2a1799) is rgb(42, 23, 153) in RGB.

No, #2a1799 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 #2a1799, or check how it holds up for accessibility.

Generate a palette → Check contrast