#172e85

Color #172e85

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 9.59 Nearest Tailwind class blue-900 #1c398e · ΔE 3.5

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

Conversions

HEX

#172e85

RGB

rgb(23, 46, 133)

HSL

hsl(227.5, 70.5%, 30.6%)

HSV / HSB

hsv(227.5, 82.7%, 52.2%)

CMYK

cmyk(82.7%, 65.4%, 0%, 47.8%)

LAB

lab(23.1, 25.6, -51.06)

LCH

lch(23.1, 57.12, 296.63)

OKLCH

oklch(34.7%, 0.1481, 266.63)

HWB

hwb(227.5, 9%, 47.8%)

Harmony colors

Complementary

#856e17

Analogous

#176585

#172e85

#371785

Triadic

#172e85

#85172e

#2e8517

Split-complementary

#172e85

#853717

#658517

Tetradic

#172e85

#6e1785

#856e17

#2e8517

Square

#172e85

#851765

#856e17

#178537

Shades

Color #172e85 mixed toward black.

#13266f

#0f1f59

#0c1743

#080f2c

#040816

Tints

Color #172e85 mixed toward white.

#203fb7

#3659dc

#6882e5

#9aacee

#cdd5f6

Tones

Color #172e85 mixed toward gray.

#20337c

#293973

#333e6a

#3c4360

#454957

Accessibility

Aa White text on this color

11.89:1

Aa Black text on this color

1.77:1

White text reads better on this background (11.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232377 · ΔE 4.2

Deuteranopia

#222073 · ΔE 5.1

Tritanopia

#196a67 · ΔE 33.5

Achromatopsia

#373737 · ΔE 25.2

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

Code

CSS

background-color: #172e85;

Tailwind (arbitrary value)

bg-[#172e85]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#172e85 (#172e85) is rgb(23, 46, 133) in RGB.

No, #172e85 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #172e85, or check how it holds up for accessibility.

Generate a palette → Check contrast