#175c8a

Color #175c8a

A vivid, highly saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 15.26 Nearest Tailwind class sky-800 #00598a · ΔE 1.3

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

Conversions

HEX

#175c8a

RGB

rgb(23, 92, 138)

HSL

hsl(204, 71.4%, 31.6%)

HSV / HSB

hsv(204, 83.3%, 54.1%)

CMYK

cmyk(83.3%, 33.3%, 0%, 45.9%)

LAB

lab(37.24, -3.6, -31.39)

LCH

lch(37.24, 31.6, 263.46)

OKLCH

oklch(45.7%, 0.0997, 243.43)

HWB

hwb(204, 9%, 45.9%)

Harmony colors

Complementary

#8a4517

Analogous

#178a7f

#175c8a

#17238a

Triadic

#175c8a

#8a175c

#5c8a17

Split-complementary

#175c8a

#8a1723

#8a7f17

Tetradic

#175c8a

#45178a

#8a4517

#5c8a17

Square

#175c8a

#7f178a

#8a4517

#238a17

Shades

Color #175c8a mixed toward black.

#134d73

#0f3d5c

#0c2e45

#081f2e

#040f17

Tints

Color #175c8a mixed toward white.

#1f7dbc

#389bde

#6ab4e6

#9bcdee

#cde6f7

Tones

Color #175c8a mixed toward gray.

#215a81

#2a5877

#34566d

#3d5464

#47525a

Accessibility

Aa White text on this color

7.16:1

Aa Black text on this color

2.93:1

White text reads better on this background (7.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404181 · ΔE 15

Deuteranopia

#3c377e · ΔE 17.3

Tritanopia

#1f7977 · ΔE 21.8

Achromatopsia

#585858 · ΔE 18.5

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

Code

CSS

background-color: #175c8a;

Tailwind (arbitrary value)

bg-[#175c8a]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#175c8a (#175c8a) is rgb(23, 92, 138) in RGB.

No, #175c8a 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.

Try it → Accessibility

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 #175c8a, or check how it holds up for accessibility.

Generate a palette → Check contrast