#2a17b0

Color #2a17b0

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 12.31 Nearest Tailwind class indigo-800 #372aac · ΔE 3.6

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

Conversions

HEX

#2a17b0

RGB

rgb(42, 23, 176)

HSL

hsl(247.5, 76.9%, 39%)

HSV / HSB

hsv(247.5, 86.9%, 69%)

CMYK

cmyk(76.1%, 86.9%, 0%, 31%)

LAB

lab(24.45, 54.36, -75.16)

LCH

lch(24.45, 92.76, 305.88)

OKLCH

oklch(37.3%, 0.2177, 273.53)

HWB

hwb(247.5, 9%, 31%)

Harmony colors

Complementary

#9db017

Analogous

#1750b0

#2a17b0

#7717b0

Triadic

#2a17b0

#b02a17

#17b02a

Split-complementary

#2a17b0

#b07717

#50b017

Tetradic

#2a17b0

#b0179d

#9db017

#17b02a

Square

#2a17b0

#b01750

#9db017

#17b077

Shades

Color #2a17b0 mixed toward black.

#231393

#1c0f75

#150b58

#0e083b

#07041d

Tints

Color #2a17b0 mixed toward white.

#351dde

#5b48e7

#8475ed

#ada3f3

#d6d1f9

Tones

Color #2a17b0 mixed toward gray.

#3424a3

#3d3096

#473d8a

#504a7d

#5a5770

Accessibility

Aa White text on this color

11.36:1

Aa Black text on this color

1.85:1

White text reads better on this background (11.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#23239c · ΔE 3.6

Deuteranopia

#242596 · ΔE 4.6

Tritanopia

#298984 · ΔE 43.4

Achromatopsia

#3a3a3a · ΔE 30.1

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

Code

CSS

background-color: #2a17b0;

Tailwind (arbitrary value)

bg-[#2a17b0]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#2a17b0 (#2a17b0) is rgb(42, 23, 176) in RGB.

No, #2a17b0 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 #2a17b0, or check how it holds up for accessibility.

Generate a palette → Check contrast