#28179e

Color #28179e

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 7.46 Nearest Tailwind class indigo-800 #372aac · ΔE 4.5

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

Conversions

HEX

#28179e

RGB

rgb(40, 23, 158)

HSL

hsl(247.6, 74.6%, 35.5%)

HSV / HSB

hsv(247.6, 85.4%, 62%)

CMYK

cmyk(74.7%, 85.4%, 0%, 38%)

LAB

lab(22.06, 48.98, -68.23)

LCH

lch(22.06, 83.99, 305.67)

OKLCH

oklch(35%, 0.1979, 274.67)

HWB

hwb(247.6, 9%, 38%)

Harmony colors

Complementary

#8d9e17

Analogous

#17499e

#28179e

#6c179e

Triadic

#28179e

#9e2817

#179e28

Split-complementary

#28179e

#9e6c17

#499e17

Tetradic

#28179e

#9e178d

#8d9e17

#179e28

Square

#28179e

#9e1749

#8d9e17

#179e6c

Shades

Color #28179e mixed toward black.

#211384

#1b0f69

#140b4f

#0d0835

#07041a

Tints

Color #28179e mixed toward white.

#341ece

#5440e3

#7f6fea

#aa9ff1

#d4cff8

Tones

Color #28179e mixed toward gray.

#312293

#392e88

#41397c

#4a4471

#524f66

Accessibility

Aa White text on this color

12.31:1

Aa Black text on this color

1.71:1

White text reads better on this background (12.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#22228c · ΔE 3.7

Deuteranopia

#232487 · ΔE 4.7

Tritanopia

#277b77 · ΔE 40.2

Achromatopsia

#353535 · ΔE 29.1

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

Code

CSS

background-color: #28179e;

Tailwind (arbitrary value)

bg-[#28179e]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#28179e (#28179e) is rgb(40, 23, 158) in RGB.

No, #28179e is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #28179e, or check how it holds up for accessibility.

Generate a palette → Check contrast